Home / 100,287.12-150,438.24-33,727.44

Finding the Fourth Proportional to 100,287.12, 150,438.24 and 33,727.44

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Solution

The fourth proportional to 100,287.12, 150,438.24 and 33,727.44 is: 50,593.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,287.12 : 150,438.24 = 33,727.44 : x
  2. Step 2: Convert to fraction form
    100,287.12/150,438.24 = 33,727.44/x
  3. Step 3: Cross multiply
    100,287.12x = 150,438.24 × 33,727.44
  4. Step 4: Simplify right side
    100,287.12x = 5,073,896,713.31
  5. Step 5: Solve for x
    x = 5,073,896,713.31/100,287.12
  6. Step 6: Final answer
    x = 50,593.70

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1.5x scale

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.