Home / 170,067.54-255,129.21-51,711.42

Finding the Fourth Proportional to 170,067.54, 255,129.21 and 51,711.42

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Solution

The fourth proportional to 170,067.54, 255,129.21 and 51,711.42 is: 77,575.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,067.54 : 255,129.21 = 51,711.42 : x
  2. Step 2: Convert to fraction form
    170,067.54/255,129.21 = 51,711.42/x
  3. Step 3: Cross multiply
    170,067.54x = 255,129.21 × 51,711.42
  4. Step 4: Simplify right side
    170,067.54x = 13,193,093,732.58
  5. Step 5: Solve for x
    x = 13,193,093,732.58/170,067.54
  6. Step 6: Final answer
    x = 77,575.61

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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.