Home / 82,469.17-123,715.90-29,866.35

Finding the Fourth Proportional to 82,469.17, 123,715.90 and 29,866.35

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Solution

The fourth proportional to 82,469.17, 123,715.90 and 29,866.35 is: 44,803.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,469.17 : 123,715.90 = 29,866.35 : x
  2. Step 2: Convert to fraction form
    82,469.17/123,715.90 = 29,866.35/x
  3. Step 3: Cross multiply
    82,469.17x = 123,715.90 × 29,866.35
  4. Step 4: Simplify right side
    82,469.17x = 3,694,942,369.97
  5. Step 5: Solve for x
    x = 3,694,942,369.97/82,469.17
  6. Step 6: Final answer
    x = 44,803.93

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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.