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Finding the Fourth Proportional to 67.52, 93.09 and 60.96

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Solution

The fourth proportional to 67.52, 93.09 and 60.96 is: 84.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    67.52 : 93.09 = 60.96 : x
  2. Step 2: Convert to fraction form
    67.52/93.09 = 60.96/x
  3. Step 3: Cross multiply
    67.52x = 93.09 × 60.96
  4. Step 4: Simplify right side
    67.52x = 5,674.65
  5. Step 5: Solve for x
    x = 5,674.65/67.52
  6. Step 6: Final answer
    x = 84.05

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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.