Home / 80,056.56-120,020.04-33,344.40

Finding the Fourth Proportional to 80,056.56, 120,020.04 and 33,344.40

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Solution

The fourth proportional to 80,056.56, 120,020.04 and 33,344.40 is: 49,989.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,056.56 : 120,020.04 = 33,344.40 : x
  2. Step 2: Convert to fraction form
    80,056.56/120,020.04 = 33,344.40/x
  3. Step 3: Cross multiply
    80,056.56x = 120,020.04 × 33,344.40
  4. Step 4: Simplify right side
    80,056.56x = 4,001,996,221.78
  5. Step 5: Solve for x
    x = 4,001,996,221.78/80,056.56
  6. Step 6: Final answer
    x = 49,989.61

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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.