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Finding the Fourth Proportional to 50.12, 69.09 and 43.97

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Solution

The fourth proportional to 50.12, 69.09 and 43.97 is: 60.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.12 : 69.09 = 43.97 : x
  2. Step 2: Convert to fraction form
    50.12/69.09 = 43.97/x
  3. Step 3: Cross multiply
    50.12x = 69.09 × 43.97
  4. Step 4: Simplify right side
    50.12x = 3,037.89
  5. Step 5: Solve for x
    x = 3,037.89/50.12
  6. Step 6: Final answer
    x = 60.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.