Home / 87,717.74-131,589.56-25,380.14

Finding the Fourth Proportional to 87,717.74, 131,589.56 and 25,380.14

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Solution

The fourth proportional to 87,717.74, 131,589.56 and 25,380.14 is: 38,073.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,717.74 : 131,589.56 = 25,380.14 : x
  2. Step 2: Convert to fraction form
    87,717.74/131,589.56 = 25,380.14/x
  3. Step 3: Cross multiply
    87,717.74x = 131,589.56 × 25,380.14
  4. Step 4: Simplify right side
    87,717.74x = 3,339,760,860.84
  5. Step 5: Solve for x
    x = 3,339,760,860.84/87,717.74
  6. Step 6: Final answer
    x = 38,073.95

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1.5x scale

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.