Home / 69,734.40-104,542.82-30,261.78

Finding the Fourth Proportional to 69,734.40, 104,542.82 and 30,261.78

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Solution

The fourth proportional to 69,734.40, 104,542.82 and 30,261.78 is: 45,367.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,734.40 : 104,542.82 = 30,261.78 : x
  2. Step 2: Convert to fraction form
    69,734.40/104,542.82 = 30,261.78/x
  3. Step 3: Cross multiply
    69,734.40x = 104,542.82 × 30,261.78
  4. Step 4: Simplify right side
    69,734.40x = 3,163,651,819.42
  5. Step 5: Solve for x
    x = 3,163,651,819.42/69,734.40
  6. Step 6: Final answer
    x = 45,367.16

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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.