Home / 82,517.92-123,777.24-29,906.80

Finding the Fourth Proportional to 82,517.92, 123,777.24 and 29,906.80

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Solution

The fourth proportional to 82,517.92, 123,777.24 and 29,906.80 is: 44,860.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,517.92 : 123,777.24 = 29,906.80 : x
  2. Step 2: Convert to fraction form
    82,517.92/123,777.24 = 29,906.80/x
  3. Step 3: Cross multiply
    82,517.92x = 123,777.24 × 29,906.80
  4. Step 4: Simplify right side
    82,517.92x = 3,701,781,161.23
  5. Step 5: Solve for x
    x = 3,701,781,161.23/82,517.92
  6. Step 6: Final answer
    x = 44,860.33

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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.