Home / 80,397.82-120,601.46-27,085.38

Finding the Fourth Proportional to 80,397.82, 120,601.46 and 27,085.38

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Solution

The fourth proportional to 80,397.82, 120,601.46 and 27,085.38 is: 40,629.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,397.82 : 120,601.46 = 27,085.38 : x
  2. Step 2: Convert to fraction form
    80,397.82/120,601.46 = 27,085.38/x
  3. Step 3: Cross multiply
    80,397.82x = 120,601.46 × 27,085.38
  4. Step 4: Simplify right side
    80,397.82x = 3,266,536,372.65
  5. Step 5: Solve for x
    x = 3,266,536,372.65/80,397.82
  6. Step 6: Final answer
    x = 40,629.66

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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.