Home / 107,937.96-161,942.78-47,958.09

Finding the Fourth Proportional to 107,937.96, 161,942.78 and 47,958.09

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Solution

The fourth proportional to 107,937.96, 161,942.78 and 47,958.09 is: 71,953.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,937.96 : 161,942.78 = 47,958.09 : x
  2. Step 2: Convert to fraction form
    107,937.96/161,942.78 = 47,958.09/x
  3. Step 3: Cross multiply
    107,937.96x = 161,942.78 × 47,958.09
  4. Step 4: Simplify right side
    107,937.96x = 7,766,466,418.09
  5. Step 5: Solve for x
    x = 7,766,466,418.09/107,937.96
  6. Step 6: Final answer
    x = 71,953.06

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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.