Home / 71,147.30-98,183.57-38,882.57

Finding the Fourth Proportional to 71,147.30, 98,183.57 and 38,882.57

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Solution

The fourth proportional to 71,147.30, 98,183.57 and 38,882.57 is: 53,658.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,147.30 : 98,183.57 = 38,882.57 : x
  2. Step 2: Convert to fraction form
    71,147.30/98,183.57 = 38,882.57/x
  3. Step 3: Cross multiply
    71,147.30x = 98,183.57 × 38,882.57
  4. Step 4: Simplify right side
    71,147.30x = 3,817,628,848.04
  5. Step 5: Solve for x
    x = 3,817,628,848.04/71,147.30
  6. Step 6: Final answer
    x = 53,658.10

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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.