Home / 87,716.16-131,575.44-25,386.72

Finding the Fourth Proportional to 87,716.16, 131,575.44 and 25,386.72

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Solution

The fourth proportional to 87,716.16, 131,575.44 and 25,386.72 is: 38,080.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,716.16 : 131,575.44 = 25,386.72 : x
  2. Step 2: Convert to fraction form
    87,716.16/131,575.44 = 25,386.72/x
  3. Step 3: Cross multiply
    87,716.16x = 131,575.44 × 25,386.72
  4. Step 4: Simplify right side
    87,716.16x = 3,340,268,854.16
  5. Step 5: Solve for x
    x = 3,340,268,854.16/87,716.16
  6. Step 6: Final answer
    x = 38,080.43

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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.