Home / 107,640.75-161,487.06-33,768.75

Finding the Fourth Proportional to 107,640.75, 161,487.06 and 33,768.75

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Solution

The fourth proportional to 107,640.75, 161,487.06 and 33,768.75 is: 50,661.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,640.75 : 161,487.06 = 33,768.75 : x
  2. Step 2: Convert to fraction form
    107,640.75/161,487.06 = 33,768.75/x
  3. Step 3: Cross multiply
    107,640.75x = 161,487.06 × 33,768.75
  4. Step 4: Simplify right side
    107,640.75x = 5,453,216,157.38
  5. Step 5: Solve for x
    x = 5,453,216,157.38/107,640.75
  6. Step 6: Final answer
    x = 50,661.26

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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.