Home / 71,344.60-98,456.21-39,514.13

Finding the Fourth Proportional to 71,344.60, 98,456.21 and 39,514.13

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Solution

The fourth proportional to 71,344.60, 98,456.21 and 39,514.13 is: 54,529.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,344.60 : 98,456.21 = 39,514.13 : x
  2. Step 2: Convert to fraction form
    71,344.60/98,456.21 = 39,514.13/x
  3. Step 3: Cross multiply
    71,344.60x = 98,456.21 × 39,514.13
  4. Step 4: Simplify right side
    71,344.60x = 3,890,411,308.78
  5. Step 5: Solve for x
    x = 3,890,411,308.78/71,344.60
  6. Step 6: Final answer
    x = 54,529.87

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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.