Home / 82,112.77-123,169.15-29,493.55

Finding the Fourth Proportional to 82,112.77, 123,169.15 and 29,493.55

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Solution

The fourth proportional to 82,112.77, 123,169.15 and 29,493.55 is: 44,240.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,112.77 : 123,169.15 = 29,493.55 : x
  2. Step 2: Convert to fraction form
    82,112.77/123,169.15 = 29,493.55/x
  3. Step 3: Cross multiply
    82,112.77x = 123,169.15 × 29,493.55
  4. Step 4: Simplify right side
    82,112.77x = 3,632,694,868.14
  5. Step 5: Solve for x
    x = 3,632,694,868.14/82,112.77
  6. Step 6: Final answer
    x = 44,240.32

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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.