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Finding the Fourth Proportional to 69.09, 95.43 and 60.04

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Solution

The fourth proportional to 69.09, 95.43 and 60.04 is: 82.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69.09 : 95.43 = 60.04 : x
  2. Step 2: Convert to fraction form
    69.09/95.43 = 60.04/x
  3. Step 3: Cross multiply
    69.09x = 95.43 × 60.04
  4. Step 4: Simplify right side
    69.09x = 5,729.62
  5. Step 5: Solve for x
    x = 5,729.62/69.09
  6. Step 6: Final answer
    x = 82.93

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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.