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Finding the Fourth Proportional to 62.44, 86.11 and 50.13

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Solution

The fourth proportional to 62.44, 86.11 and 50.13 is: 69.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.44 : 86.11 = 50.13 : x
  2. Step 2: Convert to fraction form
    62.44/86.11 = 50.13/x
  3. Step 3: Cross multiply
    62.44x = 86.11 × 50.13
  4. Step 4: Simplify right side
    62.44x = 4,316.01
  5. Step 5: Solve for x
    x = 4,316.01/62.44
  6. Step 6: Final answer
    x = 69.12

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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.