Home / 80,347.28-120,522.62-27,040.87

Finding the Fourth Proportional to 80,347.28, 120,522.62 and 27,040.87

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Solution

The fourth proportional to 80,347.28, 120,522.62 and 27,040.87 is: 40,561.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,347.28 : 120,522.62 = 27,040.87 : x
  2. Step 2: Convert to fraction form
    80,347.28/120,522.62 = 27,040.87/x
  3. Step 3: Cross multiply
    80,347.28x = 120,522.62 × 27,040.87
  4. Step 4: Simplify right side
    80,347.28x = 3,259,036,062.97
  5. Step 5: Solve for x
    x = 3,259,036,062.97/80,347.28
  6. Step 6: Final answer
    x = 40,561.87

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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.