Home / 87,067.93-130,651.11-37,143.31

Finding the Fourth Proportional to 87,067.93, 130,651.11 and 37,143.31

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Solution

The fourth proportional to 87,067.93, 130,651.11 and 37,143.31 is: 55,735.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,067.93 : 130,651.11 = 37,143.31 : x
  2. Step 2: Convert to fraction form
    87,067.93/130,651.11 = 37,143.31/x
  3. Step 3: Cross multiply
    87,067.93x = 130,651.11 × 37,143.31
  4. Step 4: Simplify right side
    87,067.93x = 4,852,814,680.57
  5. Step 5: Solve for x
    x = 4,852,814,680.57/87,067.93
  6. Step 6: Final answer
    x = 55,735.96

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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.