Home / 76,950.26-115,466.03-54,605.33

Finding the Fourth Proportional to 76,950.26, 115,466.03 and 54,605.33

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Solution

The fourth proportional to 76,950.26, 115,466.03 and 54,605.33 is: 81,936.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,950.26 : 115,466.03 = 54,605.33 : x
  2. Step 2: Convert to fraction form
    76,950.26/115,466.03 = 54,605.33/x
  3. Step 3: Cross multiply
    76,950.26x = 115,466.03 × 54,605.33
  4. Step 4: Simplify right side
    76,950.26x = 6,305,059,821.58
  5. Step 5: Solve for x
    x = 6,305,059,821.58/76,950.26
  6. Step 6: Final answer
    x = 81,936.83

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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.