Home / 55,115.24-82,661.92-15,676.34

Finding the Fourth Proportional to 55,115.24, 82,661.92 and 15,676.34

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Solution

The fourth proportional to 55,115.24, 82,661.92 and 15,676.34 is: 23,511.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,115.24 : 82,661.92 = 15,676.34 : x
  2. Step 2: Convert to fraction form
    55,115.24/82,661.92 = 15,676.34/x
  3. Step 3: Cross multiply
    55,115.24x = 82,661.92 × 15,676.34
  4. Step 4: Simplify right side
    55,115.24x = 1,295,835,910.47
  5. Step 5: Solve for x
    x = 1,295,835,910.47/55,115.24
  6. Step 6: Final answer
    x = 23,511.39

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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.