Home / 85,231.42-127,826.63-26,067.61

Finding the Fourth Proportional to 85,231.42, 127,826.63 and 26,067.61

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Solution

The fourth proportional to 85,231.42, 127,826.63 and 26,067.61 is: 39,095.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,231.42 : 127,826.63 = 26,067.61 : x
  2. Step 2: Convert to fraction form
    85,231.42/127,826.63 = 26,067.61/x
  3. Step 3: Cross multiply
    85,231.42x = 127,826.63 × 26,067.61
  4. Step 4: Simplify right side
    85,231.42x = 3,332,134,738.45
  5. Step 5: Solve for x
    x = 3,332,134,738.45/85,231.42
  6. Step 6: Final answer
    x = 39,095.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.