Home / 78,747.24-108,680.42-44,760.83

Finding the Fourth Proportional to 78,747.24, 108,680.42 and 44,760.83

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Solution

The fourth proportional to 78,747.24, 108,680.42 and 44,760.83 is: 61,775.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,747.24 : 108,680.42 = 44,760.83 : x
  2. Step 2: Convert to fraction form
    78,747.24/108,680.42 = 44,760.83/x
  3. Step 3: Cross multiply
    78,747.24x = 108,680.42 × 44,760.83
  4. Step 4: Simplify right side
    78,747.24x = 4,864,625,803.95
  5. Step 5: Solve for x
    x = 4,864,625,803.95/78,747.24
  6. Step 6: Final answer
    x = 61,775.19

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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.