Home / 100,628.52-150,947.94-25,749.30

Finding the Fourth Proportional to 100,628.52, 150,947.94 and 25,749.30

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Solution

The fourth proportional to 100,628.52, 150,947.94 and 25,749.30 is: 38,625.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,628.52 : 150,947.94 = 25,749.30 : x
  2. Step 2: Convert to fraction form
    100,628.52/150,947.94 = 25,749.30/x
  3. Step 3: Cross multiply
    100,628.52x = 150,947.94 × 25,749.30
  4. Step 4: Simplify right side
    100,628.52x = 3,886,803,791.44
  5. Step 5: Solve for x
    x = 3,886,803,791.44/100,628.52
  6. Step 6: Final answer
    x = 38,625.27

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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.