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Finding the Fourth Proportional to 69,375.39, 104,079.48 and 22,628.25

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Solution

The fourth proportional to 69,375.39, 104,079.48 and 22,628.25 is: 33,947.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,375.39 : 104,079.48 = 22,628.25 : x
  2. Step 2: Convert to fraction form
    69,375.39/104,079.48 = 22,628.25/x
  3. Step 3: Cross multiply
    69,375.39x = 104,079.48 × 22,628.25
  4. Step 4: Simplify right side
    69,375.39x = 2,355,136,493.31
  5. Step 5: Solve for x
    x = 2,355,136,493.31/69,375.39
  6. Step 6: Final answer
    x = 33,947.72

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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.