Home / 55,512.31-83,269.49-18,072.25

Finding the Fourth Proportional to 55,512.31, 83,269.49 and 18,072.25

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Solution

The fourth proportional to 55,512.31, 83,269.49 and 18,072.25 is: 27,108.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,512.31 : 83,269.49 = 18,072.25 : x
  2. Step 2: Convert to fraction form
    55,512.31/83,269.49 = 18,072.25/x
  3. Step 3: Cross multiply
    55,512.31x = 83,269.49 × 18,072.25
  4. Step 4: Simplify right side
    55,512.31x = 1,504,867,040.65
  5. Step 5: Solve for x
    x = 1,504,867,040.65/55,512.31
  6. Step 6: Final answer
    x = 27,108.71

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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.