Home / 111,138.28-166,724.70-37,249

Finding the Fourth Proportional to 111,138.28, 166,724.70 and 37,249

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Solution

The fourth proportional to 111,138.28, 166,724.70 and 37,249 is: 55,879.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,138.28 : 166,724.70 = 37,249 : x
  2. Step 2: Convert to fraction form
    111,138.28/166,724.70 = 37,249/x
  3. Step 3: Cross multiply
    111,138.28x = 166,724.70 × 37,249
  4. Step 4: Simplify right side
    111,138.28x = 6,210,328,350.30
  5. Step 5: Solve for x
    x = 6,210,328,350.30/111,138.28
  6. Step 6: Final answer
    x = 55,879.29

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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.