Home / 45,629.82-68,451.30-14,042.57

Finding the Fourth Proportional to 45,629.82, 68,451.30 and 14,042.57

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Solution

The fourth proportional to 45,629.82, 68,451.30 and 14,042.57 is: 21,065.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,629.82 : 68,451.30 = 14,042.57 : x
  2. Step 2: Convert to fraction form
    45,629.82/68,451.30 = 14,042.57/x
  3. Step 3: Cross multiply
    45,629.82x = 68,451.30 × 14,042.57
  4. Step 4: Simplify right side
    45,629.82x = 961,231,829.58
  5. Step 5: Solve for x
    x = 961,231,829.58/45,629.82
  6. Step 6: Final answer
    x = 21,065.87

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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.