Home / 87,719.24-131,591.82-25,381.64

Finding the Fourth Proportional to 87,719.24, 131,591.82 and 25,381.64

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Solution

The fourth proportional to 87,719.24, 131,591.82 and 25,381.64 is: 38,076.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,719.24 : 131,591.82 = 25,381.64 : x
  2. Step 2: Convert to fraction form
    87,719.24/131,591.82 = 25,381.64/x
  3. Step 3: Cross multiply
    87,719.24x = 131,591.82 × 25,381.64
  4. Step 4: Simplify right side
    87,719.24x = 3,340,015,544.23
  5. Step 5: Solve for x
    x = 3,340,015,544.23/87,719.24
  6. Step 6: Final answer
    x = 38,076.20

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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.