Home / 71,169.57-98,216.07-38,905.96

Finding the Fourth Proportional to 71,169.57, 98,216.07 and 38,905.96

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Solution

The fourth proportional to 71,169.57, 98,216.07 and 38,905.96 is: 53,691.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,169.57 : 98,216.07 = 38,905.96 : x
  2. Step 2: Convert to fraction form
    71,169.57/98,216.07 = 38,905.96/x
  3. Step 3: Cross multiply
    71,169.57x = 98,216.07 × 38,905.96
  4. Step 4: Simplify right side
    71,169.57x = 3,821,190,490.78
  5. Step 5: Solve for x
    x = 3,821,190,490.78/71,169.57
  6. Step 6: Final answer
    x = 53,691.35

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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.