Home / 55,253.11-82,879.06-33,072.68

Finding the Fourth Proportional to 55,253.11, 82,879.06 and 33,072.68

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Solution

The fourth proportional to 55,253.11, 82,879.06 and 33,072.68 is: 49,608.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,253.11 : 82,879.06 = 33,072.68 : x
  2. Step 2: Convert to fraction form
    55,253.11/82,879.06 = 33,072.68/x
  3. Step 3: Cross multiply
    55,253.11x = 82,879.06 × 33,072.68
  4. Step 4: Simplify right side
    55,253.11x = 2,741,032,443.80
  5. Step 5: Solve for x
    x = 2,741,032,443.80/55,253.11
  6. Step 6: Final answer
    x = 49,608.65

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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.