Home / 82,747.62-124,046.19-30,145.14

Finding the Fourth Proportional to 82,747.62, 124,046.19 and 30,145.14

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Solution

The fourth proportional to 82,747.62, 124,046.19 and 30,145.14 is: 45,190.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,747.62 : 124,046.19 = 30,145.14 : x
  2. Step 2: Convert to fraction form
    82,747.62/124,046.19 = 30,145.14/x
  3. Step 3: Cross multiply
    82,747.62x = 124,046.19 × 30,145.14
  4. Step 4: Simplify right side
    82,747.62x = 3,739,389,764.02
  5. Step 5: Solve for x
    x = 3,739,389,764.02/82,747.62
  6. Step 6: Final answer
    x = 45,190.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.