Home / 45,849.36-68,749.38-14,245.86

Finding the Fourth Proportional to 45,849.36, 68,749.38 and 14,245.86

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Solution

The fourth proportional to 45,849.36, 68,749.38 and 14,245.86 is: 21,361.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,849.36 : 68,749.38 = 14,245.86 : x
  2. Step 2: Convert to fraction form
    45,849.36/68,749.38 = 14,245.86/x
  3. Step 3: Cross multiply
    45,849.36x = 68,749.38 × 14,245.86
  4. Step 4: Simplify right side
    45,849.36x = 979,394,042.57
  5. Step 5: Solve for x
    x = 979,394,042.57/45,849.36
  6. Step 6: Final answer
    x = 21,361.13

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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.