Home / 87,879.25-131,841.35-25,549.75

Finding the Fourth Proportional to 87,879.25, 131,841.35 and 25,549.75

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Solution

The fourth proportional to 87,879.25, 131,841.35 and 25,549.75 is: 38,331.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,879.25 : 131,841.35 = 25,549.75 : x
  2. Step 2: Convert to fraction form
    87,879.25/131,841.35 = 25,549.75/x
  3. Step 3: Cross multiply
    87,879.25x = 131,841.35 × 25,549.75
  4. Step 4: Simplify right side
    87,879.25x = 3,368,513,532.16
  5. Step 5: Solve for x
    x = 3,368,513,532.16/87,879.25
  6. Step 6: Final answer
    x = 38,331.16

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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.