Home / 83,081.08-124,402.92-49,722.04

Finding the Fourth Proportional to 83,081.08, 124,402.92 and 49,722.04

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Solution

The fourth proportional to 83,081.08, 124,402.92 and 49,722.04 is: 74,452.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,081.08 : 124,402.92 = 49,722.04 : x
  2. Step 2: Convert to fraction form
    83,081.08/124,402.92 = 49,722.04/x
  3. Step 3: Cross multiply
    83,081.08x = 124,402.92 × 49,722.04
  4. Step 4: Simplify right side
    83,081.08x = 6,185,566,964.36
  5. Step 5: Solve for x
    x = 6,185,566,964.36/83,081.08
  6. Step 6: Final answer
    x = 74,452.17

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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.