Home / 82,105.28-113,305.21-44,379.53

Finding the Fourth Proportional to 82,105.28, 113,305.21 and 44,379.53

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Solution

The fourth proportional to 82,105.28, 113,305.21 and 44,379.53 is: 61,243.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,105.28 : 113,305.21 = 44,379.53 : x
  2. Step 2: Convert to fraction form
    82,105.28/113,305.21 = 44,379.53/x
  3. Step 3: Cross multiply
    82,105.28x = 113,305.21 × 44,379.53
  4. Step 4: Simplify right side
    82,105.28x = 5,028,431,966.35
  5. Step 5: Solve for x
    x = 5,028,431,966.35/82,105.28
  6. Step 6: Final answer
    x = 61,243.71

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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.