Home / 108,109.73-162,164.60-48,944.09

Finding the Fourth Proportional to 108,109.73, 162,164.60 and 48,944.09

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Solution

The fourth proportional to 108,109.73, 162,164.60 and 48,944.09 is: 73,416.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,109.73 : 162,164.60 = 48,944.09 : x
  2. Step 2: Convert to fraction form
    108,109.73/162,164.60 = 48,944.09/x
  3. Step 3: Cross multiply
    108,109.73x = 162,164.60 × 48,944.09
  4. Step 4: Simplify right side
    108,109.73x = 7,936,998,777.21
  5. Step 5: Solve for x
    x = 7,936,998,777.21/108,109.73
  6. Step 6: Final answer
    x = 73,416.14

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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.