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Finding the Fourth Proportional to 67.40, 93.03 and 60.11

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Solution

The fourth proportional to 67.40, 93.03 and 60.11 is: 82.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    67.40 : 93.03 = 60.11 : x
  2. Step 2: Convert to fraction form
    67.40/93.03 = 60.11/x
  3. Step 3: Cross multiply
    67.40x = 93.03 × 60.11
  4. Step 4: Simplify right side
    67.40x = 5,591.57
  5. Step 5: Solve for x
    x = 5,591.57/67.40
  6. Step 6: Final answer
    x = 82.97

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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.