Home / 102,976.92-154,481.18-43,796.70

Finding the Fourth Proportional to 102,976.92, 154,481.18 and 43,796.70

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Solution

The fourth proportional to 102,976.92, 154,481.18 and 43,796.70 is: 65,701.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,976.92 : 154,481.18 = 43,796.70 : x
  2. Step 2: Convert to fraction form
    102,976.92/154,481.18 = 43,796.70/x
  3. Step 3: Cross multiply
    102,976.92x = 154,481.18 × 43,796.70
  4. Step 4: Simplify right side
    102,976.92x = 6,765,765,677.12
  5. Step 5: Solve for x
    x = 6,765,765,677.12/102,976.92
  6. Step 6: Final answer
    x = 65,701.77

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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.