Home / 69,630.12-104,449.22-19,706.04

Finding the Fourth Proportional to 69,630.12, 104,449.22 and 19,706.04

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Solution

The fourth proportional to 69,630.12, 104,449.22 and 19,706.04 is: 29,560.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,630.12 : 104,449.22 = 19,706.04 : x
  2. Step 2: Convert to fraction form
    69,630.12/104,449.22 = 19,706.04/x
  3. Step 3: Cross multiply
    69,630.12x = 104,449.22 × 19,706.04
  4. Step 4: Simplify right side
    69,630.12x = 2,058,280,556.55
  5. Step 5: Solve for x
    x = 2,058,280,556.55/69,630.12
  6. Step 6: Final answer
    x = 29,560.20

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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.