Home / 108,917.67-163,231.14-58,212.75

Finding the Fourth Proportional to 108,917.67, 163,231.14 and 58,212.75

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Solution

The fourth proportional to 108,917.67, 163,231.14 and 58,212.75 is: 87,241.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,917.67 : 163,231.14 = 58,212.75 : x
  2. Step 2: Convert to fraction form
    108,917.67/163,231.14 = 58,212.75/x
  3. Step 3: Cross multiply
    108,917.67x = 163,231.14 × 58,212.75
  4. Step 4: Simplify right side
    108,917.67x = 9,502,133,545.04
  5. Step 5: Solve for x
    x = 9,502,133,545.04/108,917.67
  6. Step 6: Final answer
    x = 87,241.43

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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.