Home / 82,105.55-113,305.64-44,379.80

Finding the Fourth Proportional to 82,105.55, 113,305.64 and 44,379.80

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Solution

The fourth proportional to 82,105.55, 113,305.64 and 44,379.80 is: 61,244.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,105.55 : 113,305.64 = 44,379.80 : x
  2. Step 2: Convert to fraction form
    82,105.55/113,305.64 = 44,379.80/x
  3. Step 3: Cross multiply
    82,105.55x = 113,305.64 × 44,379.80
  4. Step 4: Simplify right side
    82,105.55x = 5,028,481,278.54
  5. Step 5: Solve for x
    x = 5,028,481,278.54/82,105.55
  6. Step 6: Final answer
    x = 61,244.11

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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.