Home / 87,337.60-131,034.11-31,176.48

Finding the Fourth Proportional to 87,337.60, 131,034.11 and 31,176.48

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Solution

The fourth proportional to 87,337.60, 131,034.11 and 31,176.48 is: 46,774.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,337.60 : 131,034.11 = 31,176.48 : x
  2. Step 2: Convert to fraction form
    87,337.60/131,034.11 = 31,176.48/x
  3. Step 3: Cross multiply
    87,337.60x = 131,034.11 × 31,176.48
  4. Step 4: Simplify right side
    87,337.60x = 4,085,182,309.73
  5. Step 5: Solve for x
    x = 4,085,182,309.73/87,337.60
  6. Step 6: Final answer
    x = 46,774.61

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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.