Home / 80,535.67-120,753.88-27,222.62

Finding the Fourth Proportional to 80,535.67, 120,753.88 and 27,222.62

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Solution

The fourth proportional to 80,535.67, 120,753.88 and 27,222.62 is: 40,817.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,535.67 : 120,753.88 = 27,222.62 : x
  2. Step 2: Convert to fraction form
    80,535.67/120,753.88 = 27,222.62/x
  3. Step 3: Cross multiply
    80,535.67x = 120,753.88 × 27,222.62
  4. Step 4: Simplify right side
    80,535.67x = 3,287,236,316.94
  5. Step 5: Solve for x
    x = 3,287,236,316.94/80,535.67
  6. Step 6: Final answer
    x = 40,817.15

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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.