Home / 87,531.92-131,251.80-59,837.84

Finding the Fourth Proportional to 87,531.92, 131,251.80 and 59,837.84

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Solution

The fourth proportional to 87,531.92, 131,251.80 and 59,837.84 is: 89,725.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,531.92 : 131,251.80 = 59,837.84 : x
  2. Step 2: Convert to fraction form
    87,531.92/131,251.80 = 59,837.84/x
  3. Step 3: Cross multiply
    87,531.92x = 131,251.80 × 59,837.84
  4. Step 4: Simplify right side
    87,531.92x = 7,853,824,208.11
  5. Step 5: Solve for x
    x = 7,853,824,208.11/87,531.92
  6. Step 6: Final answer
    x = 89,725.26

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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.