Home / 108,160.91-162,343.16-54,891.15

Finding the Fourth Proportional to 108,160.91, 162,343.16 and 54,891.15

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Solution

The fourth proportional to 108,160.91, 162,343.16 and 54,891.15 is: 82,388.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,160.91 : 162,343.16 = 54,891.15 : x
  2. Step 2: Convert to fraction form
    108,160.91/162,343.16 = 54,891.15/x
  3. Step 3: Cross multiply
    108,160.91x = 162,343.16 × 54,891.15
  4. Step 4: Simplify right side
    108,160.91x = 8,911,202,747.03
  5. Step 5: Solve for x
    x = 8,911,202,747.03/108,160.91
  6. Step 6: Final answer
    x = 82,388.39

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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.