Home / 87,187.25-130,782.09-24,857.75

Finding the Fourth Proportional to 87,187.25, 130,782.09 and 24,857.75

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Solution

The fourth proportional to 87,187.25, 130,782.09 and 24,857.75 is: 37,286.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,187.25 : 130,782.09 = 24,857.75 : x
  2. Step 2: Convert to fraction form
    87,187.25/130,782.09 = 24,857.75/x
  3. Step 3: Cross multiply
    87,187.25x = 130,782.09 × 24,857.75
  4. Step 4: Simplify right side
    87,187.25x = 3,250,948,497.70
  5. Step 5: Solve for x
    x = 3,250,948,497.70/87,187.25
  6. Step 6: Final answer
    x = 37,286.97

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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.