Home / 71,049.08-98,047.74-39,217.99

Finding the Fourth Proportional to 71,049.08, 98,047.74 and 39,217.99

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Solution

The fourth proportional to 71,049.08, 98,047.74 and 39,217.99 is: 54,120.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,049.08 : 98,047.74 = 39,217.99 : x
  2. Step 2: Convert to fraction form
    71,049.08/98,047.74 = 39,217.99/x
  3. Step 3: Cross multiply
    71,049.08x = 98,047.74 × 39,217.99
  4. Step 4: Simplify right side
    71,049.08x = 3,845,235,286.84
  5. Step 5: Solve for x
    x = 3,845,235,286.84/71,049.08
  6. Step 6: Final answer
    x = 54,120.83

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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.