Home / 87,610.80-131,344.20-37,729.20

Finding the Fourth Proportional to 87,610.80, 131,344.20 and 37,729.20

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Solution

The fourth proportional to 87,610.80, 131,344.20 and 37,729.20 is: 56,562.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,610.80 : 131,344.20 = 37,729.20 : x
  2. Step 2: Convert to fraction form
    87,610.80/131,344.20 = 37,729.20/x
  3. Step 3: Cross multiply
    87,610.80x = 131,344.20 × 37,729.20
  4. Step 4: Simplify right side
    87,610.80x = 4,955,511,590.64
  5. Step 5: Solve for x
    x = 4,955,511,590.64/87,610.80
  6. Step 6: Final answer
    x = 56,562.79

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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.