Home / 88,186.38-121,650.55-55,863.97

Finding the Fourth Proportional to 88,186.38, 121,650.55 and 55,863.97

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Solution

The fourth proportional to 88,186.38, 121,650.55 and 55,863.97 is: 77,062.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,186.38 : 121,650.55 = 55,863.97 : x
  2. Step 2: Convert to fraction form
    88,186.38/121,650.55 = 55,863.97/x
  3. Step 3: Cross multiply
    88,186.38x = 121,650.55 × 55,863.97
  4. Step 4: Simplify right side
    88,186.38x = 6,795,882,439.86
  5. Step 5: Solve for x
    x = 6,795,882,439.86/88,186.38
  6. Step 6: Final answer
    x = 77,062.73

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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.