Home / 49,119.80-67,731.60-33,176.56

Finding the Fourth Proportional to 49,119.80, 67,731.60 and 33,176.56

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Solution

The fourth proportional to 49,119.80, 67,731.60 and 33,176.56 is: 45,747.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,119.80 : 67,731.60 = 33,176.56 : x
  2. Step 2: Convert to fraction form
    49,119.80/67,731.60 = 33,176.56/x
  3. Step 3: Cross multiply
    49,119.80x = 67,731.60 × 33,176.56
  4. Step 4: Simplify right side
    49,119.80x = 2,247,101,491.30
  5. Step 5: Solve for x
    x = 2,247,101,491.30/49,119.80
  6. Step 6: Final answer
    x = 45,747.37

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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.