Home / 87,625.54-131,359.44-31,452.40

Finding the Fourth Proportional to 87,625.54, 131,359.44 and 31,452.40

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Solution

The fourth proportional to 87,625.54, 131,359.44 and 31,452.40 is: 47,150.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,625.54 : 131,359.44 = 31,452.40 : x
  2. Step 2: Convert to fraction form
    87,625.54/131,359.44 = 31,452.40/x
  3. Step 3: Cross multiply
    87,625.54x = 131,359.44 × 31,452.40
  4. Step 4: Simplify right side
    87,625.54x = 4,131,569,650.66
  5. Step 5: Solve for x
    x = 4,131,569,650.66/87,625.54
  6. Step 6: Final answer
    x = 47,150.29

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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.