Home / 92,078.68-127,067.66-51,242.12

Finding the Fourth Proportional to 92,078.68, 127,067.66 and 51,242.12

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Solution

The fourth proportional to 92,078.68, 127,067.66 and 51,242.12 is: 70,713.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,078.68 : 127,067.66 = 51,242.12 : x
  2. Step 2: Convert to fraction form
    92,078.68/127,067.66 = 51,242.12/x
  3. Step 3: Cross multiply
    92,078.68x = 127,067.66 × 51,242.12
  4. Step 4: Simplify right side
    92,078.68x = 6,511,215,390.29
  5. Step 5: Solve for x
    x = 6,511,215,390.29/92,078.68
  6. Step 6: Final answer
    x = 70,713.61

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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.