Home / 87,717.50-131,592.47-27,761.06

Finding the Fourth Proportional to 87,717.50, 131,592.47 and 27,761.06

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Solution

The fourth proportional to 87,717.50, 131,592.47 and 27,761.06 is: 41,646.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,717.50 : 131,592.47 = 27,761.06 : x
  2. Step 2: Convert to fraction form
    87,717.50/131,592.47 = 27,761.06/x
  3. Step 3: Cross multiply
    87,717.50x = 131,592.47 × 27,761.06
  4. Step 4: Simplify right side
    87,717.50x = 3,653,146,645.39
  5. Step 5: Solve for x
    x = 3,653,146,645.39/87,717.50
  6. Step 6: Final answer
    x = 41,646.73

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1.5x scale

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.