Home / 71,717.25-98,971.70-39,452.73

Finding the Fourth Proportional to 71,717.25, 98,971.70 and 39,452.73

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Solution

The fourth proportional to 71,717.25, 98,971.70 and 39,452.73 is: 54,445.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,717.25 : 98,971.70 = 39,452.73 : x
  2. Step 2: Convert to fraction form
    71,717.25/98,971.70 = 39,452.73/x
  3. Step 3: Cross multiply
    71,717.25x = 98,971.70 × 39,452.73
  4. Step 4: Simplify right side
    71,717.25x = 3,904,703,757.74
  5. Step 5: Solve for x
    x = 3,904,703,757.74/71,717.25
  6. Step 6: Final answer
    x = 54,445.81

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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.