Home / 100,396.25-150,563.66-33,818.52

Finding the Fourth Proportional to 100,396.25, 150,563.66 and 33,818.52

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Solution

The fourth proportional to 100,396.25, 150,563.66 and 33,818.52 is: 50,717.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,396.25 : 150,563.66 = 33,818.52 : x
  2. Step 2: Convert to fraction form
    100,396.25/150,563.66 = 33,818.52/x
  3. Step 3: Cross multiply
    100,396.25x = 150,563.66 × 33,818.52
  4. Step 4: Simplify right side
    100,396.25x = 5,091,839,977.89
  5. Step 5: Solve for x
    x = 5,091,839,977.89/100,396.25
  6. Step 6: Final answer
    x = 50,717.43

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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.