Home / 107,861.92-161,844.16-48,715.68

Finding the Fourth Proportional to 107,861.92, 161,844.16 and 48,715.68

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Solution

The fourth proportional to 107,861.92, 161,844.16 and 48,715.68 is: 73,096.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,861.92 : 161,844.16 = 48,715.68 : x
  2. Step 2: Convert to fraction form
    107,861.92/161,844.16 = 48,715.68/x
  3. Step 3: Cross multiply
    107,861.92x = 161,844.16 × 48,715.68
  4. Step 4: Simplify right side
    107,861.92x = 7,884,348,308.43
  5. Step 5: Solve for x
    x = 7,884,348,308.43/107,861.92
  6. Step 6: Final answer
    x = 73,096.68

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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.