Home / 107,849.20-161,791.62-48,683.56

Finding the Fourth Proportional to 107,849.20, 161,791.62 and 48,683.56

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Solution

The fourth proportional to 107,849.20, 161,791.62 and 48,683.56 is: 73,033.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,849.20 : 161,791.62 = 48,683.56 : x
  2. Step 2: Convert to fraction form
    107,849.20/161,791.62 = 48,683.56/x
  3. Step 3: Cross multiply
    107,849.20x = 161,791.62 × 48,683.56
  4. Step 4: Simplify right side
    107,849.20x = 7,876,592,039.77
  5. Step 5: Solve for x
    x = 7,876,592,039.77/107,849.20
  6. Step 6: Final answer
    x = 73,033.38

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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.