Home / 87,999.32-131,940.66-31,832.04

Finding the Fourth Proportional to 87,999.32, 131,940.66 and 31,832.04

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Solution

The fourth proportional to 87,999.32, 131,940.66 and 31,832.04 is: 47,726.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,999.32 : 131,940.66 = 31,832.04 : x
  2. Step 2: Convert to fraction form
    87,999.32/131,940.66 = 31,832.04/x
  3. Step 3: Cross multiply
    87,999.32x = 131,940.66 × 31,832.04
  4. Step 4: Simplify right side
    87,999.32x = 4,199,940,366.75
  5. Step 5: Solve for x
    x = 4,199,940,366.75/87,999.32
  6. Step 6: Final answer
    x = 47,726.97

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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.