Home / 45,450.78-68,179.82-15,867.96

Finding the Fourth Proportional to 45,450.78, 68,179.82 and 15,867.96

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Solution

The fourth proportional to 45,450.78, 68,179.82 and 15,867.96 is: 23,803.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,450.78 : 68,179.82 = 15,867.96 : x
  2. Step 2: Convert to fraction form
    45,450.78/68,179.82 = 15,867.96/x
  3. Step 3: Cross multiply
    45,450.78x = 68,179.82 × 15,867.96
  4. Step 4: Simplify right side
    45,450.78x = 1,081,874,656.57
  5. Step 5: Solve for x
    x = 1,081,874,656.57/45,450.78
  6. Step 6: Final answer
    x = 23,803.21

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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.