Home / 52,214.19-72,055.62-28,340.85

Finding the Fourth Proportional to 52,214.19, 72,055.62 and 28,340.85

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Solution

The fourth proportional to 52,214.19, 72,055.62 and 28,340.85 is: 39,110.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,214.19 : 72,055.62 = 28,340.85 : x
  2. Step 2: Convert to fraction form
    52,214.19/72,055.62 = 28,340.85/x
  3. Step 3: Cross multiply
    52,214.19x = 72,055.62 × 28,340.85
  4. Step 4: Simplify right side
    52,214.19x = 2,042,117,518.08
  5. Step 5: Solve for x
    x = 2,042,117,518.08/52,214.19
  6. Step 6: Final answer
    x = 39,110.39

Related Problems

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Half scale
Find fourth proportional to 104,428.38, 144,111.24 and 56,681.70
Double scale
Find fourth proportional to 52,215.19, 72,057 and 28,341.85
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.