Home / 87,880.44-131,793.36-31,713.26

Finding the Fourth Proportional to 87,880.44, 131,793.36 and 31,713.26

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Solution

The fourth proportional to 87,880.44, 131,793.36 and 31,713.26 is: 47,560.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,880.44 : 131,793.36 = 31,713.26 : x
  2. Step 2: Convert to fraction form
    87,880.44/131,793.36 = 31,713.26/x
  3. Step 3: Cross multiply
    87,880.44x = 131,793.36 × 31,713.26
  4. Step 4: Simplify right side
    87,880.44x = 4,179,597,091.95
  5. Step 5: Solve for x
    x = 4,179,597,091.95/87,880.44
  6. Step 6: Final answer
    x = 47,560.04

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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.