Home / 69,449.20-104,178.69-34,379.44

Finding the Fourth Proportional to 69,449.20, 104,178.69 and 34,379.44

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Solution

The fourth proportional to 69,449.20, 104,178.69 and 34,379.44 is: 51,571.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,449.20 : 104,178.69 = 34,379.44 : x
  2. Step 2: Convert to fraction form
    69,449.20/104,178.69 = 34,379.44/x
  3. Step 3: Cross multiply
    69,449.20x = 104,178.69 × 34,379.44
  4. Step 4: Simplify right side
    69,449.20x = 3,581,604,761.69
  5. Step 5: Solve for x
    x = 3,581,604,761.69/69,449.20
  6. Step 6: Final answer
    x = 51,571.58

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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.