Home / 87,835.11-131,756.28-25,505.61

Finding the Fourth Proportional to 87,835.11, 131,756.28 and 25,505.61

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Solution

The fourth proportional to 87,835.11, 131,756.28 and 25,505.61 is: 38,259.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,835.11 : 131,756.28 = 25,505.61 : x
  2. Step 2: Convert to fraction form
    87,835.11/131,756.28 = 25,505.61/x
  3. Step 3: Cross multiply
    87,835.11x = 131,756.28 × 25,505.61
  4. Step 4: Simplify right side
    87,835.11x = 3,360,524,292.73
  5. Step 5: Solve for x
    x = 3,360,524,292.73/87,835.11
  6. Step 6: Final answer
    x = 38,259.46

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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.