Home / 107,729.18-161,601.15-36,622.88

Finding the Fourth Proportional to 107,729.18, 161,601.15 and 36,622.88

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Solution

The fourth proportional to 107,729.18, 161,601.15 and 36,622.88 is: 54,936.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,729.18 : 161,601.15 = 36,622.88 : x
  2. Step 2: Convert to fraction form
    107,729.18/161,601.15 = 36,622.88/x
  3. Step 3: Cross multiply
    107,729.18x = 161,601.15 × 36,622.88
  4. Step 4: Simplify right side
    107,729.18x = 5,918,299,524.31
  5. Step 5: Solve for x
    x = 5,918,299,524.31/107,729.18
  6. Step 6: Final answer
    x = 54,936.83

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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.