Home / 87,432.28-131,279.65-50,034.58

Finding the Fourth Proportional to 87,432.28, 131,279.65 and 50,034.58

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Solution

The fourth proportional to 87,432.28, 131,279.65 and 50,034.58 is: 75,126.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,432.28 : 131,279.65 = 50,034.58 : x
  2. Step 2: Convert to fraction form
    87,432.28/131,279.65 = 50,034.58/x
  3. Step 3: Cross multiply
    87,432.28x = 131,279.65 × 50,034.58
  4. Step 4: Simplify right side
    87,432.28x = 6,568,522,150.30
  5. Step 5: Solve for x
    x = 6,568,522,150.30/87,432.28
  6. Step 6: Final answer
    x = 75,126.97

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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.