Home / 80,589.06-120,883.50-27,998.55

Finding the Fourth Proportional to 80,589.06, 120,883.50 and 27,998.55

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Solution

The fourth proportional to 80,589.06, 120,883.50 and 27,998.55 is: 41,997.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,589.06 : 120,883.50 = 27,998.55 : x
  2. Step 2: Convert to fraction form
    80,589.06/120,883.50 = 27,998.55/x
  3. Step 3: Cross multiply
    80,589.06x = 120,883.50 × 27,998.55
  4. Step 4: Simplify right side
    80,589.06x = 3,384,562,718.93
  5. Step 5: Solve for x
    x = 3,384,562,718.93/80,589.06
  6. Step 6: Final answer
    x = 41,997.79

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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.