Home / 107,986.24-162,028.59-55,432.66

Finding the Fourth Proportional to 107,986.24, 162,028.59 and 55,432.66

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Solution

The fourth proportional to 107,986.24, 162,028.59 and 55,432.66 is: 83,174.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,986.24 : 162,028.59 = 55,432.66 : x
  2. Step 2: Convert to fraction form
    107,986.24/162,028.59 = 55,432.66/x
  3. Step 3: Cross multiply
    107,986.24x = 162,028.59 × 55,432.66
  4. Step 4: Simplify right side
    107,986.24x = 8,981,675,739.75
  5. Step 5: Solve for x
    x = 8,981,675,739.75/107,986.24
  6. Step 6: Final answer
    x = 83,174.26

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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.