Home / 68,243.28-102,342.04-26,113.56

Finding the Fourth Proportional to 68,243.28, 102,342.04 and 26,113.56

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Solution

The fourth proportional to 68,243.28, 102,342.04 and 26,113.56 is: 39,161.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,243.28 : 102,342.04 = 26,113.56 : x
  2. Step 2: Convert to fraction form
    68,243.28/102,342.04 = 26,113.56/x
  3. Step 3: Cross multiply
    68,243.28x = 102,342.04 × 26,113.56
  4. Step 4: Simplify right side
    68,243.28x = 2,672,515,002.06
  5. Step 5: Solve for x
    x = 2,672,515,002.06/68,243.28
  6. Step 6: Final answer
    x = 39,161.58

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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.