Home / 92,138.20-127,149.18-51,851.95

Finding the Fourth Proportional to 92,138.20, 127,149.18 and 51,851.95

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Solution

The fourth proportional to 92,138.20, 127,149.18 and 51,851.95 is: 71,554.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,138.20 : 127,149.18 = 51,851.95 : x
  2. Step 2: Convert to fraction form
    92,138.20/127,149.18 = 51,851.95/x
  3. Step 3: Cross multiply
    92,138.20x = 127,149.18 × 51,851.95
  4. Step 4: Simplify right side
    92,138.20x = 6,592,932,923.90
  5. Step 5: Solve for x
    x = 6,592,932,923.90/92,138.20
  6. Step 6: Final answer
    x = 71,554.83

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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.