Home / 52,487.92-72,432.60-28,614.64

Finding the Fourth Proportional to 52,487.92, 72,432.60 and 28,614.64

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Solution

The fourth proportional to 52,487.92, 72,432.60 and 28,614.64 is: 39,487.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,487.92 : 72,432.60 = 28,614.64 : x
  2. Step 2: Convert to fraction form
    52,487.92/72,432.60 = 28,614.64/x
  3. Step 3: Cross multiply
    52,487.92x = 72,432.60 × 28,614.64
  4. Step 4: Simplify right side
    52,487.92x = 2,072,632,773.26
  5. Step 5: Solve for x
    x = 2,072,632,773.26/52,487.92
  6. Step 6: Final answer
    x = 39,487.81

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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.