Home / 72,331.38-108,512.56-22,410.37

Finding the Fourth Proportional to 72,331.38, 108,512.56 and 22,410.37

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Solution

The fourth proportional to 72,331.38, 108,512.56 and 22,410.37 is: 33,620.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,331.38 : 108,512.56 = 22,410.37 : x
  2. Step 2: Convert to fraction form
    72,331.38/108,512.56 = 22,410.37/x
  3. Step 3: Cross multiply
    72,331.38x = 108,512.56 × 22,410.37
  4. Step 4: Simplify right side
    72,331.38x = 2,431,806,782.90
  5. Step 5: Solve for x
    x = 2,431,806,782.90/72,331.38
  6. Step 6: Final answer
    x = 33,620.36

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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.