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Finding the Fourth Proportional to 61.04, 92.07 and 54.44

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Solution

The fourth proportional to 61.04, 92.07 and 54.44 is: 82.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61.04 : 92.07 = 54.44 : x
  2. Step 2: Convert to fraction form
    61.04/92.07 = 54.44/x
  3. Step 3: Cross multiply
    61.04x = 92.07 × 54.44
  4. Step 4: Simplify right side
    61.04x = 5,011.83
  5. Step 5: Solve for x
    x = 5,011.83/61.04
  6. Step 6: Final answer
    x = 82.10

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.