Home / 83,007.20-123,863.39-74,061.03

Finding the Fourth Proportional to 83,007.20, 123,863.39 and 74,061.03

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Solution

The fourth proportional to 83,007.20, 123,863.39 and 74,061.03 is: 110,513.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,007.20 : 123,863.39 = 74,061.03 : x
  2. Step 2: Convert to fraction form
    83,007.20/123,863.39 = 74,061.03/x
  3. Step 3: Cross multiply
    83,007.20x = 123,863.39 × 74,061.03
  4. Step 4: Simplify right side
    83,007.20x = 9,173,449,253.07
  5. Step 5: Solve for x
    x = 9,173,449,253.07/83,007.20
  6. Step 6: Final answer
    x = 110,513.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.