Home / 69,003.10-103,468.20-29,515.60

Finding the Fourth Proportional to 69,003.10, 103,468.20 and 29,515.60

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Solution

The fourth proportional to 69,003.10, 103,468.20 and 29,515.60 is: 44,257.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,003.10 : 103,468.20 = 29,515.60 : x
  2. Step 2: Convert to fraction form
    69,003.10/103,468.20 = 29,515.60/x
  3. Step 3: Cross multiply
    69,003.10x = 103,468.20 × 29,515.60
  4. Step 4: Simplify right side
    69,003.10x = 3,053,926,003.92
  5. Step 5: Solve for x
    x = 3,053,926,003.92/69,003.10
  6. Step 6: Final answer
    x = 44,257.81

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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.