Home / 87,198.58-130,810.24-31,022.14

Finding the Fourth Proportional to 87,198.58, 130,810.24 and 31,022.14

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Solution

The fourth proportional to 87,198.58, 130,810.24 and 31,022.14 is: 46,537.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,198.58 : 130,810.24 = 31,022.14 : x
  2. Step 2: Convert to fraction form
    87,198.58/130,810.24 = 31,022.14/x
  3. Step 3: Cross multiply
    87,198.58x = 130,810.24 × 31,022.14
  4. Step 4: Simplify right side
    87,198.58x = 4,058,013,535.73
  5. Step 5: Solve for x
    x = 4,058,013,535.73/87,198.58
  6. Step 6: Final answer
    x = 46,537.61

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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.