Home / 82,529.92-123,687.36-33,255.04

Finding the Fourth Proportional to 82,529.92, 123,687.36 and 33,255.04

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Solution

The fourth proportional to 82,529.92, 123,687.36 and 33,255.04 is: 49,839.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,529.92 : 123,687.36 = 33,255.04 : x
  2. Step 2: Convert to fraction form
    82,529.92/123,687.36 = 33,255.04/x
  3. Step 3: Cross multiply
    82,529.92x = 123,687.36 × 33,255.04
  4. Step 4: Simplify right side
    82,529.92x = 4,113,228,104.29
  5. Step 5: Solve for x
    x = 4,113,228,104.29/82,529.92
  6. Step 6: Final answer
    x = 49,839.24

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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.