Home / 49,754.67-74,576.89-20,163.75

Finding the Fourth Proportional to 49,754.67, 74,576.89 and 20,163.75

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Solution

The fourth proportional to 49,754.67, 74,576.89 and 20,163.75 is: 30,223.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,754.67 : 74,576.89 = 20,163.75 : x
  2. Step 2: Convert to fraction form
    49,754.67/74,576.89 = 20,163.75/x
  3. Step 3: Cross multiply
    49,754.67x = 74,576.89 × 20,163.75
  4. Step 4: Simplify right side
    49,754.67x = 1,503,749,765.74
  5. Step 5: Solve for x
    x = 1,503,749,765.74/49,754.67
  6. Step 6: Final answer
    x = 30,223.29

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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.