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Finding the Fourth Proportional to 73.09, 101.01 and 69.04

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Solution

The fourth proportional to 73.09, 101.01 and 69.04 is: 95.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    73.09 : 101.01 = 69.04 : x
  2. Step 2: Convert to fraction form
    73.09/101.01 = 69.04/x
  3. Step 3: Cross multiply
    73.09x = 101.01 × 69.04
  4. Step 4: Simplify right side
    73.09x = 6,973.73
  5. Step 5: Solve for x
    x = 6,973.73/73.09
  6. Step 6: Final answer
    x = 95.41

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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.