Home / 68,112.24-102,181.32-26,556.72

Finding the Fourth Proportional to 68,112.24, 102,181.32 and 26,556.72

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Solution

The fourth proportional to 68,112.24, 102,181.32 and 26,556.72 is: 39,840.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,112.24 : 102,181.32 = 26,556.72 : x
  2. Step 2: Convert to fraction form
    68,112.24/102,181.32 = 26,556.72/x
  3. Step 3: Cross multiply
    68,112.24x = 102,181.32 × 26,556.72
  4. Step 4: Simplify right side
    68,112.24x = 2,713,600,704.47
  5. Step 5: Solve for x
    x = 2,713,600,704.47/68,112.24
  6. Step 6: Final answer
    x = 39,840.13

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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.