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Finding the Fourth Proportional to 69,319.08, 103,892.31 and 33,751.17

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Solution

The fourth proportional to 69,319.08, 103,892.31 and 33,751.17 is: 50,584.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,319.08 : 103,892.31 = 33,751.17 : x
  2. Step 2: Convert to fraction form
    69,319.08/103,892.31 = 33,751.17/x
  3. Step 3: Cross multiply
    69,319.08x = 103,892.31 × 33,751.17
  4. Step 4: Simplify right side
    69,319.08x = 3,506,487,016.50
  5. Step 5: Solve for x
    x = 3,506,487,016.50/69,319.08
  6. Step 6: Final answer
    x = 50,584.73

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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.