Home / 80,427.08-120,635.46-33,029.93

Finding the Fourth Proportional to 80,427.08, 120,635.46 and 33,029.93

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Solution

The fourth proportional to 80,427.08, 120,635.46 and 33,029.93 is: 49,542.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,427.08 : 120,635.46 = 33,029.93 : x
  2. Step 2: Convert to fraction form
    80,427.08/120,635.46 = 33,029.93/x
  3. Step 3: Cross multiply
    80,427.08x = 120,635.46 × 33,029.93
  4. Step 4: Simplify right side
    80,427.08x = 3,984,581,100.91
  5. Step 5: Solve for x
    x = 3,984,581,100.91/80,427.08
  6. Step 6: Final answer
    x = 49,542.78

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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.