Home / 87,304.52-120,481.08-49,579.04

Finding the Fourth Proportional to 87,304.52, 120,481.08 and 49,579.04

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Solution

The fourth proportional to 87,304.52, 120,481.08 and 49,579.04 is: 68,419.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,304.52 : 120,481.08 = 49,579.04 : x
  2. Step 2: Convert to fraction form
    87,304.52/120,481.08 = 49,579.04/x
  3. Step 3: Cross multiply
    87,304.52x = 120,481.08 × 49,579.04
  4. Step 4: Simplify right side
    87,304.52x = 5,973,336,284.56
  5. Step 5: Solve for x
    x = 5,973,336,284.56/87,304.52
  6. Step 6: Final answer
    x = 68,419.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.