Home / 69,224.96-103,861.56-21,847.36

Finding the Fourth Proportional to 69,224.96, 103,861.56 and 21,847.36

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Solution

The fourth proportional to 69,224.96, 103,861.56 and 21,847.36 is: 32,778.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,224.96 : 103,861.56 = 21,847.36 : x
  2. Step 2: Convert to fraction form
    69,224.96/103,861.56 = 21,847.36/x
  3. Step 3: Cross multiply
    69,224.96x = 103,861.56 × 21,847.36
  4. Step 4: Simplify right side
    69,224.96x = 2,269,100,891.48
  5. Step 5: Solve for x
    x = 2,269,100,891.48/69,224.96
  6. Step 6: Final answer
    x = 32,778.65

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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.