Home / 87,407.12-131,115.60-25,076

Finding the Fourth Proportional to 87,407.12, 131,115.60 and 25,076

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Solution

The fourth proportional to 87,407.12, 131,115.60 and 25,076 is: 37,615.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,407.12 : 131,115.60 = 25,076 : x
  2. Step 2: Convert to fraction form
    87,407.12/131,115.60 = 25,076/x
  3. Step 3: Cross multiply
    87,407.12x = 131,115.60 × 25,076
  4. Step 4: Simplify right side
    87,407.12x = 3,287,854,785.60
  5. Step 5: Solve for x
    x = 3,287,854,785.60/87,407.12
  6. Step 6: Final answer
    x = 37,615.41

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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.