Home / 96,343.20-144,471.60-43,725.60

Finding the Fourth Proportional to 96,343.20, 144,471.60 and 43,725.60

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Solution

The fourth proportional to 96,343.20, 144,471.60 and 43,725.60 is: 65,568.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,343.20 : 144,471.60 = 43,725.60 : x
  2. Step 2: Convert to fraction form
    96,343.20/144,471.60 = 43,725.60/x
  3. Step 3: Cross multiply
    96,343.20x = 144,471.60 × 43,725.60
  4. Step 4: Simplify right side
    96,343.20x = 6,317,107,392.96
  5. Step 5: Solve for x
    x = 6,317,107,392.96/96,343.20
  6. Step 6: Final answer
    x = 65,568.79

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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.