Home / 53,883.08-80,824.61-20,606.49

Finding the Fourth Proportional to 53,883.08, 80,824.61 and 20,606.49

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Solution

The fourth proportional to 53,883.08, 80,824.61 and 20,606.49 is: 30,909.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,883.08 : 80,824.61 = 20,606.49 : x
  2. Step 2: Convert to fraction form
    53,883.08/80,824.61 = 20,606.49/x
  3. Step 3: Cross multiply
    53,883.08x = 80,824.61 × 20,606.49
  4. Step 4: Simplify right side
    53,883.08x = 1,665,511,414.69
  5. Step 5: Solve for x
    x = 1,665,511,414.69/53,883.08
  6. Step 6: Final answer
    x = 30,909.73

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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.