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Finding the Fourth Proportional to 61.73, 92.67 and 36.05

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Solution

The fourth proportional to 61.73, 92.67 and 36.05 is: 54.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61.73 : 92.67 = 36.05 : x
  2. Step 2: Convert to fraction form
    61.73/92.67 = 36.05/x
  3. Step 3: Cross multiply
    61.73x = 92.67 × 36.05
  4. Step 4: Simplify right side
    61.73x = 3,340.57
  5. Step 5: Solve for x
    x = 3,340.57/61.73
  6. Step 6: Final answer
    x = 54.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.