Home / 108,921.90-163,164.21-49,676.10

Finding the Fourth Proportional to 108,921.90, 163,164.21 and 49,676.10

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Solution

The fourth proportional to 108,921.90, 163,164.21 and 49,676.10 is: 74,414.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,921.90 : 163,164.21 = 49,676.10 : x
  2. Step 2: Convert to fraction form
    108,921.90/163,164.21 = 49,676.10/x
  3. Step 3: Cross multiply
    108,921.90x = 163,164.21 × 49,676.10
  4. Step 4: Simplify right side
    108,921.90x = 8,105,361,612.38
  5. Step 5: Solve for x
    x = 8,105,361,612.38/108,921.90
  6. Step 6: Final answer
    x = 74,414.43

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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.