Home / 68,467.20-102,733.68-33,387.72

Finding the Fourth Proportional to 68,467.20, 102,733.68 and 33,387.72

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Solution

The fourth proportional to 68,467.20, 102,733.68 and 33,387.72 is: 50,097.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,467.20 : 102,733.68 = 33,387.72 : x
  2. Step 2: Convert to fraction form
    68,467.20/102,733.68 = 33,387.72/x
  3. Step 3: Cross multiply
    68,467.20x = 102,733.68 × 33,387.72
  4. Step 4: Simplify right side
    68,467.20x = 3,430,043,342.41
  5. Step 5: Solve for x
    x = 3,430,043,342.41/68,467.20
  6. Step 6: Final answer
    x = 50,097.61

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1.5x scale

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.