Home / 87,755.39-131,652.89-27,787.50

Finding the Fourth Proportional to 87,755.39, 131,652.89 and 27,787.50

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Solution

The fourth proportional to 87,755.39, 131,652.89 and 27,787.50 is: 41,687.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,755.39 : 131,652.89 = 27,787.50 : x
  2. Step 2: Convert to fraction form
    87,755.39/131,652.89 = 27,787.50/x
  3. Step 3: Cross multiply
    87,755.39x = 131,652.89 × 27,787.50
  4. Step 4: Simplify right side
    87,755.39x = 3,658,304,646.14
  5. Step 5: Solve for x
    x = 3,658,304,646.14/87,755.39
  6. Step 6: Final answer
    x = 41,687.52

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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.