Home / 107,960.17-161,958.67-36,878.89

Finding the Fourth Proportional to 107,960.17, 161,958.67 and 36,878.89

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Solution

The fourth proportional to 107,960.17, 161,958.67 and 36,878.89 is: 55,324.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,960.17 : 161,958.67 = 36,878.89 : x
  2. Step 2: Convert to fraction form
    107,960.17/161,958.67 = 36,878.89/x
  3. Step 3: Cross multiply
    107,960.17x = 161,958.67 × 36,878.89
  4. Step 4: Simplify right side
    107,960.17x = 5,972,855,165.68
  5. Step 5: Solve for x
    x = 5,972,855,165.68/107,960.17
  6. Step 6: Final answer
    x = 55,324.62

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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.