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Finding the Fourth Proportional to 92,662.56, 127,857.60 and 51,827.52

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Solution

The fourth proportional to 92,662.56, 127,857.60 and 51,827.52 is: 71,512.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,662.56 : 127,857.60 = 51,827.52 : x
  2. Step 2: Convert to fraction form
    92,662.56/127,857.60 = 51,827.52/x
  3. Step 3: Cross multiply
    92,662.56x = 127,857.60 × 51,827.52
  4. Step 4: Simplify right side
    92,662.56x = 6,626,542,321.15
  5. Step 5: Solve for x
    x = 6,626,542,321.15/92,662.56
  6. Step 6: Final answer
    x = 71,512.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.