Home / 72,578.15-108,867.23-22,662.52

Finding the Fourth Proportional to 72,578.15, 108,867.23 and 22,662.52

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Solution

The fourth proportional to 72,578.15, 108,867.23 and 22,662.52 is: 33,993.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,578.15 : 108,867.23 = 22,662.52 : x
  2. Step 2: Convert to fraction form
    72,578.15/108,867.23 = 22,662.52/x
  3. Step 3: Cross multiply
    72,578.15x = 108,867.23 × 22,662.52
  4. Step 4: Simplify right side
    72,578.15x = 2,467,205,777.22
  5. Step 5: Solve for x
    x = 2,467,205,777.22/72,578.15
  6. Step 6: Final answer
    x = 33,993.78

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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.