Home / 107,712.44-161,568.53-28,824.61

Finding the Fourth Proportional to 107,712.44, 161,568.53 and 28,824.61

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Solution

The fourth proportional to 107,712.44, 161,568.53 and 28,824.61 is: 43,236.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,712.44 : 161,568.53 = 28,824.61 : x
  2. Step 2: Convert to fraction form
    107,712.44/161,568.53 = 28,824.61/x
  3. Step 3: Cross multiply
    107,712.44x = 161,568.53 × 28,824.61
  4. Step 4: Simplify right side
    107,712.44x = 4,657,149,317.48
  5. Step 5: Solve for x
    x = 4,657,149,317.48/107,712.44
  6. Step 6: Final answer
    x = 43,236.88

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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.