Home / 87,937.52-131,943.18-37,991.90

Finding the Fourth Proportional to 87,937.52, 131,943.18 and 37,991.90

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Solution

The fourth proportional to 87,937.52, 131,943.18 and 37,991.90 is: 57,003.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,937.52 : 131,943.18 = 37,991.90 : x
  2. Step 2: Convert to fraction form
    87,937.52/131,943.18 = 37,991.90/x
  3. Step 3: Cross multiply
    87,937.52x = 131,943.18 × 37,991.90
  4. Step 4: Simplify right side
    87,937.52x = 5,012,771,440.53
  5. Step 5: Solve for x
    x = 5,012,771,440.53/87,937.52
  6. Step 6: Final answer
    x = 57,003.79

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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.