Home / 92,078.49-127,067.39-51,241.92

Finding the Fourth Proportional to 92,078.49, 127,067.39 and 51,241.92

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Solution

The fourth proportional to 92,078.49, 127,067.39 and 51,241.92 is: 70,713.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,078.49 : 127,067.39 = 51,241.92 : x
  2. Step 2: Convert to fraction form
    92,078.49/127,067.39 = 51,241.92/x
  3. Step 3: Cross multiply
    92,078.49x = 127,067.39 × 51,241.92
  4. Step 4: Simplify right side
    92,078.49x = 6,511,177,161.09
  5. Step 5: Solve for x
    x = 6,511,177,161.09/92,078.49
  6. Step 6: Final answer
    x = 70,713.34

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1.5x scale

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.