Home / 102,861.20-154,194.60-60,773.60

Finding the Fourth Proportional to 102,861.20, 154,194.60 and 60,773.60

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Solution

The fourth proportional to 102,861.20, 154,194.60 and 60,773.60 is: 91,102.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,861.20 : 154,194.60 = 60,773.60 : x
  2. Step 2: Convert to fraction form
    102,861.20/154,194.60 = 60,773.60/x
  3. Step 3: Cross multiply
    102,861.20x = 154,194.60 × 60,773.60
  4. Step 4: Simplify right side
    102,861.20x = 9,370,960,942.56
  5. Step 5: Solve for x
    x = 9,370,960,942.56/102,861.20
  6. Step 6: Final answer
    x = 91,102.97

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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.