Home / 87,059.50-130,626.15-47,570.48

Finding the Fourth Proportional to 87,059.50, 130,626.15 and 47,570.48

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Solution

The fourth proportional to 87,059.50, 130,626.15 and 47,570.48 is: 71,375.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,059.50 : 130,626.15 = 47,570.48 : x
  2. Step 2: Convert to fraction form
    87,059.50/130,626.15 = 47,570.48/x
  3. Step 3: Cross multiply
    87,059.50x = 130,626.15 × 47,570.48
  4. Step 4: Simplify right side
    87,059.50x = 6,213,948,656.05
  5. Step 5: Solve for x
    x = 6,213,948,656.05/87,059.50
  6. Step 6: Final answer
    x = 71,375.88

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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.