Home / 100,661.33-151,016.75-50,084.26

Finding the Fourth Proportional to 100,661.33, 151,016.75 and 50,084.26

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Solution

The fourth proportional to 100,661.33, 151,016.75 and 50,084.26 is: 75,138.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,661.33 : 151,016.75 = 50,084.26 : x
  2. Step 2: Convert to fraction form
    100,661.33/151,016.75 = 50,084.26/x
  3. Step 3: Cross multiply
    100,661.33x = 151,016.75 × 50,084.26
  4. Step 4: Simplify right side
    100,661.33x = 7,563,562,171.36
  5. Step 5: Solve for x
    x = 7,563,562,171.36/100,661.33
  6. Step 6: Final answer
    x = 75,138.71

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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.