Home / 69,309.40-103,891.74-50,288.04

Finding the Fourth Proportional to 69,309.40, 103,891.74 and 50,288.04

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Solution

The fourth proportional to 69,309.40, 103,891.74 and 50,288.04 is: 75,379.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,309.40 : 103,891.74 = 50,288.04 : x
  2. Step 2: Convert to fraction form
    69,309.40/103,891.74 = 50,288.04/x
  3. Step 3: Cross multiply
    69,309.40x = 103,891.74 × 50,288.04
  4. Step 4: Simplify right side
    69,309.40x = 5,224,511,976.79
  5. Step 5: Solve for x
    x = 5,224,511,976.79/69,309.40
  6. Step 6: Final answer
    x = 75,379.56

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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.