Home / 80,306.24-120,442.28-50,684.54

Finding the Fourth Proportional to 80,306.24, 120,442.28 and 50,684.54

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Solution

The fourth proportional to 80,306.24, 120,442.28 and 50,684.54 is: 76,016.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,306.24 : 120,442.28 = 50,684.54 : x
  2. Step 2: Convert to fraction form
    80,306.24/120,442.28 = 50,684.54/x
  3. Step 3: Cross multiply
    80,306.24x = 120,442.28 × 50,684.54
  4. Step 4: Simplify right side
    80,306.24x = 6,104,560,702.72
  5. Step 5: Solve for x
    x = 6,104,560,702.72/80,306.24
  6. Step 6: Final answer
    x = 76,016.02

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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.