Home / 82,121.44-113,327.85-44,395.96

Finding the Fourth Proportional to 82,121.44, 113,327.85 and 44,395.96

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Solution

The fourth proportional to 82,121.44, 113,327.85 and 44,395.96 is: 61,266.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,121.44 : 113,327.85 = 44,395.96 : x
  2. Step 2: Convert to fraction form
    82,121.44/113,327.85 = 44,395.96/x
  3. Step 3: Cross multiply
    82,121.44x = 113,327.85 × 44,395.96
  4. Step 4: Simplify right side
    82,121.44x = 5,031,298,578.65
  5. Step 5: Solve for x
    x = 5,031,298,578.65/82,121.44
  6. Step 6: Final answer
    x = 61,266.57

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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.