Home / 71,217.11-98,275.62-38,945.33

Finding the Fourth Proportional to 71,217.11, 98,275.62 and 38,945.33

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Solution

The fourth proportional to 71,217.11, 98,275.62 and 38,945.33 is: 53,742.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,217.11 : 98,275.62 = 38,945.33 : x
  2. Step 2: Convert to fraction form
    71,217.11/98,275.62 = 38,945.33/x
  3. Step 3: Cross multiply
    71,217.11x = 98,275.62 × 38,945.33
  4. Step 4: Simplify right side
    71,217.11x = 3,827,376,451.85
  5. Step 5: Solve for x
    x = 3,827,376,451.85/71,217.11
  6. Step 6: Final answer
    x = 53,742.37

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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.