Home / 107,958.16-161,936.98-29,072.46

Finding the Fourth Proportional to 107,958.16, 161,936.98 and 29,072.46

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Solution

The fourth proportional to 107,958.16, 161,936.98 and 29,072.46 is: 43,608.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,958.16 : 161,936.98 = 29,072.46 : x
  2. Step 2: Convert to fraction form
    107,958.16/161,936.98 = 29,072.46/x
  3. Step 3: Cross multiply
    107,958.16x = 161,936.98 × 29,072.46
  4. Step 4: Simplify right side
    107,958.16x = 4,707,906,373.57
  5. Step 5: Solve for x
    x = 4,707,906,373.57/107,958.16
  6. Step 6: Final answer
    x = 43,608.62

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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.