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Finding the Fourth Proportional to 92,674.62, 127,891.44 and 50,232.78

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Solution

The fourth proportional to 92,674.62, 127,891.44 and 50,232.78 is: 69,321.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,674.62 : 127,891.44 = 50,232.78 : x
  2. Step 2: Convert to fraction form
    92,674.62/127,891.44 = 50,232.78/x
  3. Step 3: Cross multiply
    92,674.62x = 127,891.44 × 50,232.78
  4. Step 4: Simplify right side
    92,674.62x = 6,424,342,569.40
  5. Step 5: Solve for x
    x = 6,424,342,569.40/92,674.62
  6. Step 6: Final answer
    x = 69,321.49

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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.