Home / 83,882.06-115,760.43-48,078.98

Finding the Fourth Proportional to 83,882.06, 115,760.43 and 48,078.98

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Solution

The fourth proportional to 83,882.06, 115,760.43 and 48,078.98 is: 66,350.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,882.06 : 115,760.43 = 48,078.98 : x
  2. Step 2: Convert to fraction form
    83,882.06/115,760.43 = 48,078.98/x
  3. Step 3: Cross multiply
    83,882.06x = 115,760.43 × 48,078.98
  4. Step 4: Simplify right side
    83,882.06x = 5,565,642,819.96
  5. Step 5: Solve for x
    x = 5,565,642,819.96/83,882.06
  6. Step 6: Final answer
    x = 66,350.82

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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.