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Finding the Fourth Proportional to 67,538.88, 101,198.72 and 41,163.52

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Solution

The fourth proportional to 67,538.88, 101,198.72 and 41,163.52 is: 61,678.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,538.88 : 101,198.72 = 41,163.52 : x
  2. Step 2: Convert to fraction form
    67,538.88/101,198.72 = 41,163.52/x
  3. Step 3: Cross multiply
    67,538.88x = 101,198.72 × 41,163.52
  4. Step 4: Simplify right side
    67,538.88x = 4,165,695,534.69
  5. Step 5: Solve for x
    x = 4,165,695,534.69/67,538.88
  6. Step 6: Final answer
    x = 61,678.48

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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.