Home / 52,213.44-72,054.61-28,340.12

Finding the Fourth Proportional to 52,213.44, 72,054.61 and 28,340.12

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Solution

The fourth proportional to 52,213.44, 72,054.61 and 28,340.12 is: 39,109.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,213.44 : 72,054.61 = 28,340.12 : x
  2. Step 2: Convert to fraction form
    52,213.44/72,054.61 = 28,340.12/x
  3. Step 3: Cross multiply
    52,213.44x = 72,054.61 × 28,340.12
  4. Step 4: Simplify right side
    52,213.44x = 2,042,036,293.95
  5. Step 5: Solve for x
    x = 2,042,036,293.95/52,213.44
  6. Step 6: Final answer
    x = 39,109.40

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Half scale
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Double scale
Find fourth proportional to 52,214.44, 72,055.99 and 28,341.12
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.