Home / 69,005.10-103,471.20-29,517.60

Finding the Fourth Proportional to 69,005.10, 103,471.20 and 29,517.60

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Solution

The fourth proportional to 69,005.10, 103,471.20 and 29,517.60 is: 44,260.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,005.10 : 103,471.20 = 29,517.60 : x
  2. Step 2: Convert to fraction form
    69,005.10/103,471.20 = 29,517.60/x
  3. Step 3: Cross multiply
    69,005.10x = 103,471.20 × 29,517.60
  4. Step 4: Simplify right side
    69,005.10x = 3,054,221,493.12
  5. Step 5: Solve for x
    x = 3,054,221,493.12/69,005.10
  6. Step 6: Final answer
    x = 44,260.81

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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.