Home / 80,496.24-120,766.23-57,270.30

Finding the Fourth Proportional to 80,496.24, 120,766.23 and 57,270.30

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Solution

The fourth proportional to 80,496.24, 120,766.23 and 57,270.30 is: 85,921.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,496.24 : 120,766.23 = 57,270.30 : x
  2. Step 2: Convert to fraction form
    80,496.24/120,766.23 = 57,270.30/x
  3. Step 3: Cross multiply
    80,496.24x = 120,766.23 × 57,270.30
  4. Step 4: Simplify right side
    80,496.24x = 6,916,318,221.97
  5. Step 5: Solve for x
    x = 6,916,318,221.97/80,496.24
  6. Step 6: Final answer
    x = 85,921.01

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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.