Home / 87,087.57-130,631.43-23,908.53

Finding the Fourth Proportional to 87,087.57, 130,631.43 and 23,908.53

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Solution

The fourth proportional to 87,087.57, 130,631.43 and 23,908.53 is: 35,862.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,087.57 : 130,631.43 = 23,908.53 : x
  2. Step 2: Convert to fraction form
    87,087.57/130,631.43 = 23,908.53/x
  3. Step 3: Cross multiply
    87,087.57x = 130,631.43 × 23,908.53
  4. Step 4: Simplify right side
    87,087.57x = 3,123,206,042.62
  5. Step 5: Solve for x
    x = 3,123,206,042.62/87,087.57
  6. Step 6: Final answer
    x = 35,862.82

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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.