Home / 107,869.38-161,676.99-48,635.70

Finding the Fourth Proportional to 107,869.38, 161,676.99 and 48,635.70

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Solution

The fourth proportional to 107,869.38, 161,676.99 and 48,635.70 is: 72,896.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,869.38 : 161,676.99 = 48,635.70 : x
  2. Step 2: Convert to fraction form
    107,869.38/161,676.99 = 48,635.70/x
  3. Step 3: Cross multiply
    107,869.38x = 161,676.99 × 48,635.70
  4. Step 4: Simplify right side
    107,869.38x = 7,863,273,582.54
  5. Step 5: Solve for x
    x = 7,863,273,582.54/107,869.38
  6. Step 6: Final answer
    x = 72,896.25

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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.