Home / 87,531.17-131,299.38-34,221.02

Finding the Fourth Proportional to 87,531.17, 131,299.38 and 34,221.02

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Solution

The fourth proportional to 87,531.17, 131,299.38 and 34,221.02 is: 51,332.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,531.17 : 131,299.38 = 34,221.02 : x
  2. Step 2: Convert to fraction form
    87,531.17/131,299.38 = 34,221.02/x
  3. Step 3: Cross multiply
    87,531.17x = 131,299.38 × 34,221.02
  4. Step 4: Simplify right side
    87,531.17x = 4,493,198,052.47
  5. Step 5: Solve for x
    x = 4,493,198,052.47/87,531.17
  6. Step 6: Final answer
    x = 51,332.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.