Home / 87,932.83-131,927.49-28,755.04

Finding the Fourth Proportional to 87,932.83, 131,927.49 and 28,755.04

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Solution

The fourth proportional to 87,932.83, 131,927.49 and 28,755.04 is: 43,141.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,932.83 : 131,927.49 = 28,755.04 : x
  2. Step 2: Convert to fraction form
    87,932.83/131,927.49 = 28,755.04/x
  3. Step 3: Cross multiply
    87,932.83x = 131,927.49 × 28,755.04
  4. Step 4: Simplify right side
    87,932.83x = 3,793,579,592.41
  5. Step 5: Solve for x
    x = 3,793,579,592.41/87,932.83
  6. Step 6: Final answer
    x = 43,141.79

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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.