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Finding the Fourth Proportional to 69,374.88, 104,078.72 and 22,627.75

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Solution

The fourth proportional to 69,374.88, 104,078.72 and 22,627.75 is: 33,946.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,374.88 : 104,078.72 = 22,627.75 : x
  2. Step 2: Convert to fraction form
    69,374.88/104,078.72 = 22,627.75/x
  3. Step 3: Cross multiply
    69,374.88x = 104,078.72 × 22,627.75
  4. Step 4: Simplify right side
    69,374.88x = 2,355,067,256.48
  5. Step 5: Solve for x
    x = 2,355,067,256.48/69,374.88
  6. Step 6: Final answer
    x = 33,946.97

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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.