Home / 108,917.28-163,234.67-48,901.46

Finding the Fourth Proportional to 108,917.28, 163,234.67 and 48,901.46

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Solution

The fourth proportional to 108,917.28, 163,234.67 and 48,901.46 is: 73,288.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,917.28 : 163,234.67 = 48,901.46 : x
  2. Step 2: Convert to fraction form
    108,917.28/163,234.67 = 48,901.46/x
  3. Step 3: Cross multiply
    108,917.28x = 163,234.67 × 48,901.46
  4. Step 4: Simplify right side
    108,917.28x = 7,982,412,624.94
  5. Step 5: Solve for x
    x = 7,982,412,624.94/108,917.28
  6. Step 6: Final answer
    x = 73,288.76

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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.