Home / 80,401.95-120,517.83-27,043.13

Finding the Fourth Proportional to 80,401.95, 120,517.83 and 27,043.13

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Solution

The fourth proportional to 80,401.95, 120,517.83 and 27,043.13 is: 40,536.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,401.95 : 120,517.83 = 27,043.13 : x
  2. Step 2: Convert to fraction form
    80,401.95/120,517.83 = 27,043.13/x
  3. Step 3: Cross multiply
    80,401.95x = 120,517.83 × 27,043.13
  4. Step 4: Simplify right side
    80,401.95x = 3,259,179,344.01
  5. Step 5: Solve for x
    x = 3,259,179,344.01/80,401.95
  6. Step 6: Final answer
    x = 40,536.07

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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.