Home / 69,202.44-103,723-31,766.46

Finding the Fourth Proportional to 69,202.44, 103,723 and 31,766.46

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Solution

The fourth proportional to 69,202.44, 103,723 and 31,766.46 is: 47,612.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,202.44 : 103,723 = 31,766.46 : x
  2. Step 2: Convert to fraction form
    69,202.44/103,723 = 31,766.46/x
  3. Step 3: Cross multiply
    69,202.44x = 103,723 × 31,766.46
  4. Step 4: Simplify right side
    69,202.44x = 3,294,912,530.58
  5. Step 5: Solve for x
    x = 3,294,912,530.58/69,202.44
  6. Step 6: Final answer
    x = 47,612.66

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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.