Home / 82,395.75-123,520.32-29,793.54

Finding the Fourth Proportional to 82,395.75, 123,520.32 and 29,793.54

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Solution

The fourth proportional to 82,395.75, 123,520.32 and 29,793.54 is: 44,663.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,395.75 : 123,520.32 = 29,793.54 : x
  2. Step 2: Convert to fraction form
    82,395.75/123,520.32 = 29,793.54/x
  3. Step 3: Cross multiply
    82,395.75x = 123,520.32 × 29,793.54
  4. Step 4: Simplify right side
    82,395.75x = 3,680,107,594.73
  5. Step 5: Solve for x
    x = 3,680,107,594.73/82,395.75
  6. Step 6: Final answer
    x = 44,663.80

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1.5x scale

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.