Home / 100,629.37-150,949.38-25,750.04

Finding the Fourth Proportional to 100,629.37, 150,949.38 and 25,750.04

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Solution

The fourth proportional to 100,629.37, 150,949.38 and 25,750.04 is: 38,626.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,629.37 : 150,949.38 = 25,750.04 : x
  2. Step 2: Convert to fraction form
    100,629.37/150,949.38 = 25,750.04/x
  3. Step 3: Cross multiply
    100,629.37x = 150,949.38 × 25,750.04
  4. Step 4: Simplify right side
    100,629.37x = 3,886,952,572.98
  5. Step 5: Solve for x
    x = 3,886,952,572.98/100,629.37
  6. Step 6: Final answer
    x = 38,626.42

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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.