Home / 71,363.27-98,481.31-39,534.21

Finding the Fourth Proportional to 71,363.27, 98,481.31 and 39,534.21

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Solution

The fourth proportional to 71,363.27, 98,481.31 and 39,534.21 is: 54,557.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,363.27 : 98,481.31 = 39,534.21 : x
  2. Step 2: Convert to fraction form
    71,363.27/98,481.31 = 39,534.21/x
  3. Step 3: Cross multiply
    71,363.27x = 98,481.31 × 39,534.21
  4. Step 4: Simplify right side
    71,363.27x = 3,893,380,790.62
  5. Step 5: Solve for x
    x = 3,893,380,790.62/71,363.27
  6. Step 6: Final answer
    x = 54,557.21

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1.5x scale

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.