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Finding the Fourth Proportional to 66,369.52, 99,561.48 and 33,097.96

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Solution

The fourth proportional to 66,369.52, 99,561.48 and 33,097.96 is: 49,650.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,369.52 : 99,561.48 = 33,097.96 : x
  2. Step 2: Convert to fraction form
    66,369.52/99,561.48 = 33,097.96/x
  3. Step 3: Cross multiply
    66,369.52x = 99,561.48 × 33,097.96
  4. Step 4: Simplify right side
    66,369.52x = 3,295,281,882.58
  5. Step 5: Solve for x
    x = 3,295,281,882.58/66,369.52
  6. Step 6: Final answer
    x = 49,650.53

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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.