Home / 80,269.85-120,442.14-35,926.61

Finding the Fourth Proportional to 80,269.85, 120,442.14 and 35,926.61

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Solution

The fourth proportional to 80,269.85, 120,442.14 and 35,926.61 is: 53,906.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,269.85 : 120,442.14 = 35,926.61 : x
  2. Step 2: Convert to fraction form
    80,269.85/120,442.14 = 35,926.61/x
  3. Step 3: Cross multiply
    80,269.85x = 120,442.14 × 35,926.61
  4. Step 4: Simplify right side
    80,269.85x = 4,327,077,189.13
  5. Step 5: Solve for x
    x = 4,327,077,189.13/80,269.85
  6. Step 6: Final answer
    x = 53,906.63

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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.