Home / 87,515.50-131,282.38-33,480.08

Finding the Fourth Proportional to 87,515.50, 131,282.38 and 33,480.08

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Solution

The fourth proportional to 87,515.50, 131,282.38 and 33,480.08 is: 50,223.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,515.50 : 131,282.38 = 33,480.08 : x
  2. Step 2: Convert to fraction form
    87,515.50/131,282.38 = 33,480.08/x
  3. Step 3: Cross multiply
    87,515.50x = 131,282.38 × 33,480.08
  4. Step 4: Simplify right side
    87,515.50x = 4,395,344,584.99
  5. Step 5: Solve for x
    x = 4,395,344,584.99/87,515.50
  6. Step 6: Final answer
    x = 50,223.61

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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.