Home / 82,424.30-123,604.08-29,104.90

Finding the Fourth Proportional to 82,424.30, 123,604.08 and 29,104.90

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Solution

The fourth proportional to 82,424.30, 123,604.08 and 29,104.90 is: 43,645.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,424.30 : 123,604.08 = 29,104.90 : x
  2. Step 2: Convert to fraction form
    82,424.30/123,604.08 = 29,104.90/x
  3. Step 3: Cross multiply
    82,424.30x = 123,604.08 × 29,104.90
  4. Step 4: Simplify right side
    82,424.30x = 3,597,484,387.99
  5. Step 5: Solve for x
    x = 3,597,484,387.99/82,424.30
  6. Step 6: Final answer
    x = 43,645.92

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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.