Home / 83,650.20-125,475.30-50,472.60

Finding the Fourth Proportional to 83,650.20, 125,475.30 and 50,472.60

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Solution

The fourth proportional to 83,650.20, 125,475.30 and 50,472.60 is: 75,708.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,650.20 : 125,475.30 = 50,472.60 : x
  2. Step 2: Convert to fraction form
    83,650.20/125,475.30 = 50,472.60/x
  3. Step 3: Cross multiply
    83,650.20x = 125,475.30 × 50,472.60
  4. Step 4: Simplify right side
    83,650.20x = 6,333,064,626.78
  5. Step 5: Solve for x
    x = 6,333,064,626.78/83,650.20
  6. Step 6: Final answer
    x = 75,708.90

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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.