Home / 108,520.78-162,042.45-95,764.08

Finding the Fourth Proportional to 108,520.78, 162,042.45 and 95,764.08

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Solution

The fourth proportional to 108,520.78, 162,042.45 and 95,764.08 is: 142,994.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,520.78 : 162,042.45 = 95,764.08 : x
  2. Step 2: Convert to fraction form
    108,520.78/162,042.45 = 95,764.08/x
  3. Step 3: Cross multiply
    108,520.78x = 162,042.45 × 95,764.08
  4. Step 4: Simplify right side
    108,520.78x = 15,517,846,145.20
  5. Step 5: Solve for x
    x = 15,517,846,145.20/108,520.78
  6. Step 6: Final answer
    x = 142,994.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.