Home / 84,791.68-127,144.32-32,161.12

Finding the Fourth Proportional to 84,791.68, 127,144.32 and 32,161.12

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Solution

The fourth proportional to 84,791.68, 127,144.32 and 32,161.12 is: 48,225.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,791.68 : 127,144.32 = 32,161.12 : x
  2. Step 2: Convert to fraction form
    84,791.68/127,144.32 = 32,161.12/x
  3. Step 3: Cross multiply
    84,791.68x = 127,144.32 × 32,161.12
  4. Step 4: Simplify right side
    84,791.68x = 4,089,103,732.84
  5. Step 5: Solve for x
    x = 4,089,103,732.84/84,791.68
  6. Step 6: Final answer
    x = 48,225.29

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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.