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Finding the Fourth Proportional to 92,516, 127,671.84 and 50,074.52

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Solution

The fourth proportional to 92,516, 127,671.84 and 50,074.52 is: 69,102.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,516 : 127,671.84 = 50,074.52 : x
  2. Step 2: Convert to fraction form
    92,516/127,671.84 = 50,074.52/x
  3. Step 3: Cross multiply
    92,516x = 127,671.84 × 50,074.52
  4. Step 4: Simplify right side
    92,516x = 6,393,106,105.52
  5. Step 5: Solve for x
    x = 6,393,106,105.52/92,516
  6. Step 6: Final answer
    x = 69,102.71

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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.