Home / 107,819.12-161,759.88-44,627.56

Finding the Fourth Proportional to 107,819.12, 161,759.88 and 44,627.56

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Solution

The fourth proportional to 107,819.12, 161,759.88 and 44,627.56 is: 66,954.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,819.12 : 161,759.88 = 44,627.56 : x
  2. Step 2: Convert to fraction form
    107,819.12/161,759.88 = 44,627.56/x
  3. Step 3: Cross multiply
    107,819.12x = 161,759.88 × 44,627.56
  4. Step 4: Simplify right side
    107,819.12x = 7,218,948,750.29
  5. Step 5: Solve for x
    x = 7,218,948,750.29/107,819.12
  6. Step 6: Final answer
    x = 66,954.25

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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.