Home / 52,252.42-72,109.20-28,379.11

Finding the Fourth Proportional to 52,252.42, 72,109.20 and 28,379.11

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Solution

The fourth proportional to 52,252.42, 72,109.20 and 28,379.11 is: 39,163.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,252.42 : 72,109.20 = 28,379.11 : x
  2. Step 2: Convert to fraction form
    52,252.42/72,109.20 = 28,379.11/x
  3. Step 3: Cross multiply
    52,252.42x = 72,109.20 × 28,379.11
  4. Step 4: Simplify right side
    52,252.42x = 2,046,394,918.81
  5. Step 5: Solve for x
    x = 2,046,394,918.81/52,252.42
  6. Step 6: Final answer
    x = 39,163.64

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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.