Home / 100,635.12-150,943.86-34,073.73

Finding the Fourth Proportional to 100,635.12, 150,943.86 and 34,073.73

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Solution

The fourth proportional to 100,635.12, 150,943.86 and 34,073.73 is: 51,107.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,635.12 : 150,943.86 = 34,073.73 : x
  2. Step 2: Convert to fraction form
    100,635.12/150,943.86 = 34,073.73/x
  3. Step 3: Cross multiply
    100,635.12x = 150,943.86 × 34,073.73
  4. Step 4: Simplify right side
    100,635.12x = 5,143,220,330.80
  5. Step 5: Solve for x
    x = 5,143,220,330.80/100,635.12
  6. Step 6: Final answer
    x = 51,107.61

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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.