Home / 118,757.22-163,884.96-65,042.16

Finding the Fourth Proportional to 118,757.22, 163,884.96 and 65,042.16

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Solution

The fourth proportional to 118,757.22, 163,884.96 and 65,042.16 is: 89,758.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,757.22 : 163,884.96 = 65,042.16 : x
  2. Step 2: Convert to fraction form
    118,757.22/163,884.96 = 65,042.16/x
  3. Step 3: Cross multiply
    118,757.22x = 163,884.96 × 65,042.16
  4. Step 4: Simplify right side
    118,757.22x = 10,659,431,789.91
  5. Step 5: Solve for x
    x = 10,659,431,789.91/118,757.22
  6. Step 6: Final answer
    x = 89,758.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.