Home / 45,638.82-68,465.79-14,481.54

Finding the Fourth Proportional to 45,638.82, 68,465.79 and 14,481.54

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Solution

The fourth proportional to 45,638.82, 68,465.79 and 14,481.54 is: 21,724.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,638.82 : 68,465.79 = 14,481.54 : x
  2. Step 2: Convert to fraction form
    45,638.82/68,465.79 = 14,481.54/x
  3. Step 3: Cross multiply
    45,638.82x = 68,465.79 × 14,481.54
  4. Step 4: Simplify right side
    45,638.82x = 991,490,076.52
  5. Step 5: Solve for x
    x = 991,490,076.52/45,638.82
  6. Step 6: Final answer
    x = 21,724.71

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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.