Home / 71,049.22-98,047.44-39,218.10

Finding the Fourth Proportional to 71,049.22, 98,047.44 and 39,218.10

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Solution

The fourth proportional to 71,049.22, 98,047.44 and 39,218.10 is: 54,120.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,049.22 : 98,047.44 = 39,218.10 : x
  2. Step 2: Convert to fraction form
    71,049.22/98,047.44 = 39,218.10/x
  3. Step 3: Cross multiply
    71,049.22x = 98,047.44 × 39,218.10
  4. Step 4: Simplify right side
    71,049.22x = 3,845,234,306.66
  5. Step 5: Solve for x
    x = 3,845,234,306.66/71,049.22
  6. Step 6: Final answer
    x = 54,120.71

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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.