Home / 68,042.43-102,074.58-41,776.56

Finding the Fourth Proportional to 68,042.43, 102,074.58 and 41,776.56

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Solution

The fourth proportional to 68,042.43, 102,074.58 and 41,776.56 is: 62,671.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,042.43 : 102,074.58 = 41,776.56 : x
  2. Step 2: Convert to fraction form
    68,042.43/102,074.58 = 41,776.56/x
  3. Step 3: Cross multiply
    68,042.43x = 102,074.58 × 41,776.56
  4. Step 4: Simplify right side
    68,042.43x = 4,264,324,815.84
  5. Step 5: Solve for x
    x = 4,264,324,815.84/68,042.43
  6. Step 6: Final answer
    x = 62,671.55

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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.