Home / 49,099.20-73,648.80-12,163.20

Finding the Fourth Proportional to 49,099.20, 73,648.80 and 12,163.20

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Solution

The fourth proportional to 49,099.20, 73,648.80 and 12,163.20 is: 18,244.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,099.20 : 73,648.80 = 12,163.20 : x
  2. Step 2: Convert to fraction form
    49,099.20/73,648.80 = 12,163.20/x
  3. Step 3: Cross multiply
    49,099.20x = 73,648.80 × 12,163.20
  4. Step 4: Simplify right side
    49,099.20x = 895,805,084.16
  5. Step 5: Solve for x
    x = 895,805,084.16/49,099.20
  6. Step 6: Final answer
    x = 18,244.80

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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.