Home / 87,824.25-131,747.72-40,427.91

Finding the Fourth Proportional to 87,824.25, 131,747.72 and 40,427.91

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Solution

The fourth proportional to 87,824.25, 131,747.72 and 40,427.91 is: 60,647.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,824.25 : 131,747.72 = 40,427.91 : x
  2. Step 2: Convert to fraction form
    87,824.25/131,747.72 = 40,427.91/x
  3. Step 3: Cross multiply
    87,824.25x = 131,747.72 × 40,427.91
  4. Step 4: Simplify right side
    87,824.25x = 5,326,284,764.73
  5. Step 5: Solve for x
    x = 5,326,284,764.73/87,824.25
  6. Step 6: Final answer
    x = 60,647.09

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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.