Home / 45,216.06-67,816.35-11,936.49

Finding the Fourth Proportional to 45,216.06, 67,816.35 and 11,936.49

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Solution

The fourth proportional to 45,216.06, 67,816.35 and 11,936.49 is: 17,902.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,216.06 : 67,816.35 = 11,936.49 : x
  2. Step 2: Convert to fraction form
    45,216.06/67,816.35 = 11,936.49/x
  3. Step 3: Cross multiply
    45,216.06x = 67,816.35 × 11,936.49
  4. Step 4: Simplify right side
    45,216.06x = 809,489,183.61
  5. Step 5: Solve for x
    x = 809,489,183.61/45,216.06
  6. Step 6: Final answer
    x = 17,902.69

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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.