Home / 72,369.24-108,514.80-22,427.88

Finding the Fourth Proportional to 72,369.24, 108,514.80 and 22,427.88

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Solution

The fourth proportional to 72,369.24, 108,514.80 and 22,427.88 is: 33,629.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,369.24 : 108,514.80 = 22,427.88 : x
  2. Step 2: Convert to fraction form
    72,369.24/108,514.80 = 22,427.88/x
  3. Step 3: Cross multiply
    72,369.24x = 108,514.80 × 22,427.88
  4. Step 4: Simplify right side
    72,369.24x = 2,433,756,912.62
  5. Step 5: Solve for x
    x = 2,433,756,912.62/72,369.24
  6. Step 6: Final answer
    x = 33,629.71

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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.