Home / 68,843.07-103,252.32-43,808.81

Finding the Fourth Proportional to 68,843.07, 103,252.32 and 43,808.81

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Solution

The fourth proportional to 68,843.07, 103,252.32 and 43,808.81 is: 65,705.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,843.07 : 103,252.32 = 43,808.81 : x
  2. Step 2: Convert to fraction form
    68,843.07/103,252.32 = 43,808.81/x
  3. Step 3: Cross multiply
    68,843.07x = 103,252.32 × 43,808.81
  4. Step 4: Simplify right side
    68,843.07x = 4,523,360,752.68
  5. Step 5: Solve for x
    x = 4,523,360,752.68/68,843.07
  6. Step 6: Final answer
    x = 65,705.39

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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.