Home / 81,755.22-122,576.24-41,696.47

Finding the Fourth Proportional to 81,755.22, 122,576.24 and 41,696.47

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Solution

The fourth proportional to 81,755.22, 122,576.24 and 41,696.47 is: 62,515.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,755.22 : 122,576.24 = 41,696.47 : x
  2. Step 2: Convert to fraction form
    81,755.22/122,576.24 = 41,696.47/x
  3. Step 3: Cross multiply
    81,755.22x = 122,576.24 × 41,696.47
  4. Step 4: Simplify right side
    81,755.22x = 5,110,996,536.79
  5. Step 5: Solve for x
    x = 5,110,996,536.79/81,755.22
  6. Step 6: Final answer
    x = 62,515.84

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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.