Home / 92,131.20-127,139.52-51,844.95

Finding the Fourth Proportional to 92,131.20, 127,139.52 and 51,844.95

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Solution

The fourth proportional to 92,131.20, 127,139.52 and 51,844.95 is: 71,545.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,131.20 : 127,139.52 = 51,844.95 : x
  2. Step 2: Convert to fraction form
    92,131.20/127,139.52 = 51,844.95/x
  3. Step 3: Cross multiply
    92,131.20x = 127,139.52 × 51,844.95
  4. Step 4: Simplify right side
    92,131.20x = 6,591,542,057.42
  5. Step 5: Solve for x
    x = 6,591,542,057.42/92,131.20
  6. Step 6: Final answer
    x = 71,545.17

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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.