Home / 80,177.13-120,268.94-35,795.61

Finding the Fourth Proportional to 80,177.13, 120,268.94 and 35,795.61

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Solution

The fourth proportional to 80,177.13, 120,268.94 and 35,795.61 is: 53,694.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,177.13 : 120,268.94 = 35,795.61 : x
  2. Step 2: Convert to fraction form
    80,177.13/120,268.94 = 35,795.61/x
  3. Step 3: Cross multiply
    80,177.13x = 120,268.94 × 35,795.61
  4. Step 4: Simplify right side
    80,177.13x = 4,305,099,892.38
  5. Step 5: Solve for x
    x = 4,305,099,892.38/80,177.13
  6. Step 6: Final answer
    x = 53,694.86

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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.