Home / 87,891.52-131,837.28-50,981.44

Finding the Fourth Proportional to 87,891.52, 131,837.28 and 50,981.44

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Solution

The fourth proportional to 87,891.52, 131,837.28 and 50,981.44 is: 76,472.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,891.52 : 131,837.28 = 50,981.44 : x
  2. Step 2: Convert to fraction form
    87,891.52/131,837.28 = 50,981.44/x
  3. Step 3: Cross multiply
    87,891.52x = 131,837.28 × 50,981.44
  4. Step 4: Simplify right side
    87,891.52x = 6,721,254,380.08
  5. Step 5: Solve for x
    x = 6,721,254,380.08/87,891.52
  6. Step 6: Final answer
    x = 76,472.16

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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.