Home / 68,440.26-102,693.18-33,360.78

Finding the Fourth Proportional to 68,440.26, 102,693.18 and 33,360.78

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Solution

The fourth proportional to 68,440.26, 102,693.18 and 33,360.78 is: 50,057.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,440.26 : 102,693.18 = 33,360.78 : x
  2. Step 2: Convert to fraction form
    68,440.26/102,693.18 = 33,360.78/x
  3. Step 3: Cross multiply
    68,440.26x = 102,693.18 × 33,360.78
  4. Step 4: Simplify right side
    68,440.26x = 3,425,924,585.48
  5. Step 5: Solve for x
    x = 3,425,924,585.48/68,440.26
  6. Step 6: Final answer
    x = 50,057.15

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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.