Home / 68,144.09-102,172.39-44,743.19

Finding the Fourth Proportional to 68,144.09, 102,172.39 and 44,743.19

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Solution

The fourth proportional to 68,144.09, 102,172.39 and 44,743.19 is: 67,086.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,144.09 : 102,172.39 = 44,743.19 : x
  2. Step 2: Convert to fraction form
    68,144.09/102,172.39 = 44,743.19/x
  3. Step 3: Cross multiply
    68,144.09x = 102,172.39 × 44,743.19
  4. Step 4: Simplify right side
    68,144.09x = 4,571,518,035.80
  5. Step 5: Solve for x
    x = 4,571,518,035.80/68,144.09
  6. Step 6: Final answer
    x = 67,086.06

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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.