Home / 51,205.72-76,755.87-19,608.34

Finding the Fourth Proportional to 51,205.72, 76,755.87 and 19,608.34

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Solution

The fourth proportional to 51,205.72, 76,755.87 and 19,608.34 is: 29,392.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,205.72 : 76,755.87 = 19,608.34 : x
  2. Step 2: Convert to fraction form
    51,205.72/76,755.87 = 19,608.34/x
  3. Step 3: Cross multiply
    51,205.72x = 76,755.87 × 19,608.34
  4. Step 4: Simplify right side
    51,205.72x = 1,505,055,195.96
  5. Step 5: Solve for x
    x = 1,505,055,195.96/51,205.72
  6. Step 6: Final answer
    x = 29,392.33

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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.