Home / 49,123.20-73,708.80-22,814.40

Finding the Fourth Proportional to 49,123.20, 73,708.80 and 22,814.40

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Solution

The fourth proportional to 49,123.20, 73,708.80 and 22,814.40 is: 34,232.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,123.20 : 73,708.80 = 22,814.40 : x
  2. Step 2: Convert to fraction form
    49,123.20/73,708.80 = 22,814.40/x
  3. Step 3: Cross multiply
    49,123.20x = 73,708.80 × 22,814.40
  4. Step 4: Simplify right side
    49,123.20x = 1,681,622,046.72
  5. Step 5: Solve for x
    x = 1,681,622,046.72/49,123.20
  6. Step 6: Final answer
    x = 34,232.75

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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.