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Finding the Fourth Proportional to 73,169.13, 100,973.19 and 41,338.02

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Solution

The fourth proportional to 73,169.13, 100,973.19 and 41,338.02 is: 57,046.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,169.13 : 100,973.19 = 41,338.02 : x
  2. Step 2: Convert to fraction form
    73,169.13/100,973.19 = 41,338.02/x
  3. Step 3: Cross multiply
    73,169.13x = 100,973.19 × 41,338.02
  4. Step 4: Simplify right side
    73,169.13x = 4,174,031,747.68
  5. Step 5: Solve for x
    x = 4,174,031,747.68/73,169.13
  6. Step 6: Final answer
    x = 57,046.35

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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.