Home / 87,843.75-131,790.26-35,290.14

Finding the Fourth Proportional to 87,843.75, 131,790.26 and 35,290.14

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Solution

The fourth proportional to 87,843.75, 131,790.26 and 35,290.14 is: 52,945.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,843.75 : 131,790.26 = 35,290.14 : x
  2. Step 2: Convert to fraction form
    87,843.75/131,790.26 = 35,290.14/x
  3. Step 3: Cross multiply
    87,843.75x = 131,790.26 × 35,290.14
  4. Step 4: Simplify right side
    87,843.75x = 4,650,896,726.04
  5. Step 5: Solve for x
    x = 4,650,896,726.04/87,843.75
  6. Step 6: Final answer
    x = 52,945.11

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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.