Home / 68,171.05-102,064.34-36,077.43

Finding the Fourth Proportional to 68,171.05, 102,064.34 and 36,077.43

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Solution

The fourth proportional to 68,171.05, 102,064.34 and 36,077.43 is: 54,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,171.05 : 102,064.34 = 36,077.43 : x
  2. Step 2: Convert to fraction form
    68,171.05/102,064.34 = 36,077.43/x
  3. Step 3: Cross multiply
    68,171.05x = 102,064.34 × 36,077.43
  4. Step 4: Simplify right side
    68,171.05x = 3,682,218,861.42
  5. Step 5: Solve for x
    x = 3,682,218,861.42/68,171.05
  6. Step 6: Final answer
    x = 54,014.40

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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.