Home / 87,777.59-131,635.24-31,602.61

Finding the Fourth Proportional to 87,777.59, 131,635.24 and 31,602.61

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Solution

The fourth proportional to 87,777.59, 131,635.24 and 31,602.61 is: 47,392.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,777.59 : 131,635.24 = 31,602.61 : x
  2. Step 2: Convert to fraction form
    87,777.59/131,635.24 = 31,602.61/x
  3. Step 3: Cross multiply
    87,777.59x = 131,635.24 × 31,602.61
  4. Step 4: Simplify right side
    87,777.59x = 4,160,016,743.88
  5. Step 5: Solve for x
    x = 4,160,016,743.88/87,777.59
  6. Step 6: Final answer
    x = 47,392.70

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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.