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Finding the Fourth Proportional to 60.93, 84.05 and 54.02

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Solution

The fourth proportional to 60.93, 84.05 and 54.02 is: 74.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    60.93 : 84.05 = 54.02 : x
  2. Step 2: Convert to fraction form
    60.93/84.05 = 54.02/x
  3. Step 3: Cross multiply
    60.93x = 84.05 × 54.02
  4. Step 4: Simplify right side
    60.93x = 4,540.11
  5. Step 5: Solve for x
    x = 4,540.11/60.93
  6. Step 6: Final answer
    x = 74.52

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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.