Home / 87,939.04-131,930.24-25,610.08

Finding the Fourth Proportional to 87,939.04, 131,930.24 and 25,610.08

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Solution

The fourth proportional to 87,939.04, 131,930.24 and 25,610.08 is: 38,421.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,939.04 : 131,930.24 = 25,610.08 : x
  2. Step 2: Convert to fraction form
    87,939.04/131,930.24 = 25,610.08/x
  3. Step 3: Cross multiply
    87,939.04x = 131,930.24 × 25,610.08
  4. Step 4: Simplify right side
    87,939.04x = 3,378,744,000.82
  5. Step 5: Solve for x
    x = 3,378,744,000.82/87,939.04
  6. Step 6: Final answer
    x = 38,421.43

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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.