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Finding the Fourth Proportional to 73.69, 101.70 and 44.60

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Solution

The fourth proportional to 73.69, 101.70 and 44.60 is: 61.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    73.69 : 101.70 = 44.60 : x
  2. Step 2: Convert to fraction form
    73.69/101.70 = 44.60/x
  3. Step 3: Cross multiply
    73.69x = 101.70 × 44.60
  4. Step 4: Simplify right side
    73.69x = 4,535.31
  5. Step 5: Solve for x
    x = 4,535.31/73.69
  6. Step 6: Final answer
    x = 61.55

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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.