Home / 82,578.71-123,868.04-23,414.89

Finding the Fourth Proportional to 82,578.71, 123,868.04 and 23,414.89

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Solution

The fourth proportional to 82,578.71, 123,868.04 and 23,414.89 is: 35,122.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,578.71 : 123,868.04 = 23,414.89 : x
  2. Step 2: Convert to fraction form
    82,578.71/123,868.04 = 23,414.89/x
  3. Step 3: Cross multiply
    82,578.71x = 123,868.04 × 23,414.89
  4. Step 4: Simplify right side
    82,578.71x = 2,900,356,531.12
  5. Step 5: Solve for x
    x = 2,900,356,531.12/82,578.71
  6. Step 6: Final answer
    x = 35,122.33

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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.