Home / 80,393.14-120,589.72-27,773.92

Finding the Fourth Proportional to 80,393.14, 120,589.72 and 27,773.92

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Solution

The fourth proportional to 80,393.14, 120,589.72 and 27,773.92 is: 41,660.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,393.14 : 120,589.72 = 27,773.92 : x
  2. Step 2: Convert to fraction form
    80,393.14/120,589.72 = 27,773.92/x
  3. Step 3: Cross multiply
    80,393.14x = 120,589.72 × 27,773.92
  4. Step 4: Simplify right side
    80,393.14x = 3,349,249,236.10
  5. Step 5: Solve for x
    x = 3,349,249,236.10/80,393.14
  6. Step 6: Final answer
    x = 41,660.88

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1.5x scale

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.