Home / 87,432.22-131,279.55-50,034.52

Finding the Fourth Proportional to 87,432.22, 131,279.55 and 50,034.52

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Solution

The fourth proportional to 87,432.22, 131,279.55 and 50,034.52 is: 75,126.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,432.22 : 131,279.55 = 50,034.52 : x
  2. Step 2: Convert to fraction form
    87,432.22/131,279.55 = 50,034.52/x
  3. Step 3: Cross multiply
    87,432.22x = 131,279.55 × 50,034.52
  4. Step 4: Simplify right side
    87,432.22x = 6,568,509,270.07
  5. Step 5: Solve for x
    x = 6,568,509,270.07/87,432.22
  6. Step 6: Final answer
    x = 75,126.87

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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.