Home / 87,935.56-131,921.79-28,766.59

Finding the Fourth Proportional to 87,935.56, 131,921.79 and 28,766.59

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Solution

The fourth proportional to 87,935.56, 131,921.79 and 28,766.59 is: 43,155.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,935.56 : 131,921.79 = 28,766.59 : x
  2. Step 2: Convert to fraction form
    87,935.56/131,921.79 = 28,766.59/x
  3. Step 3: Cross multiply
    87,935.56x = 131,921.79 × 28,766.59
  4. Step 4: Simplify right side
    87,935.56x = 3,794,940,045.00
  5. Step 5: Solve for x
    x = 3,794,940,045.00/87,935.56
  6. Step 6: Final answer
    x = 43,155.92

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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.