Home / 108,874.49-163,248.14-42,236.73

Finding the Fourth Proportional to 108,874.49, 163,248.14 and 42,236.73

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Solution

The fourth proportional to 108,874.49, 163,248.14 and 42,236.73 is: 63,330.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,874.49 : 163,248.14 = 42,236.73 : x
  2. Step 2: Convert to fraction form
    108,874.49/163,248.14 = 42,236.73/x
  3. Step 3: Cross multiply
    108,874.49x = 163,248.14 × 42,236.73
  4. Step 4: Simplify right side
    108,874.49x = 6,895,067,401.00
  5. Step 5: Solve for x
    x = 6,895,067,401.00/108,874.49
  6. Step 6: Final answer
    x = 63,330.42

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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.