Home / 68,530.20-102,713.04-35,265.96

Finding the Fourth Proportional to 68,530.20, 102,713.04 and 35,265.96

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Solution

The fourth proportional to 68,530.20, 102,713.04 and 35,265.96 is: 52,856.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,530.20 : 102,713.04 = 35,265.96 : x
  2. Step 2: Convert to fraction form
    68,530.20/102,713.04 = 35,265.96/x
  3. Step 3: Cross multiply
    68,530.20x = 102,713.04 × 35,265.96
  4. Step 4: Simplify right side
    68,530.20x = 3,622,273,960.12
  5. Step 5: Solve for x
    x = 3,622,273,960.12/68,530.20
  6. Step 6: Final answer
    x = 52,856.61

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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.