Home / 69,379.89-95,746.77-39,163.38

Finding the Fourth Proportional to 69,379.89, 95,746.77 and 39,163.38

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Solution

The fourth proportional to 69,379.89, 95,746.77 and 39,163.38 is: 54,046.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,379.89 : 95,746.77 = 39,163.38 : x
  2. Step 2: Convert to fraction form
    69,379.89/95,746.77 = 39,163.38/x
  3. Step 3: Cross multiply
    69,379.89x = 95,746.77 × 39,163.38
  4. Step 4: Simplify right side
    69,379.89x = 3,749,767,137.28
  5. Step 5: Solve for x
    x = 3,749,767,137.28/69,379.89
  6. Step 6: Final answer
    x = 54,046.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.