Home / 80,387.48-120,598.50-27,084.75

Finding the Fourth Proportional to 80,387.48, 120,598.50 and 27,084.75

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Solution

The fourth proportional to 80,387.48, 120,598.50 and 27,084.75 is: 40,632.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,387.48 : 120,598.50 = 27,084.75 : x
  2. Step 2: Convert to fraction form
    80,387.48/120,598.50 = 27,084.75/x
  3. Step 3: Cross multiply
    80,387.48x = 120,598.50 × 27,084.75
  4. Step 4: Simplify right side
    80,387.48x = 3,266,380,222.88
  5. Step 5: Solve for x
    x = 3,266,380,222.88/80,387.48
  6. Step 6: Final answer
    x = 40,632.95

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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.