Home / 80,506.14-120,793.38-43,056.50

Finding the Fourth Proportional to 80,506.14, 120,793.38 and 43,056.50

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Solution

The fourth proportional to 80,506.14, 120,793.38 and 43,056.50 is: 64,603.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,506.14 : 120,793.38 = 43,056.50 : x
  2. Step 2: Convert to fraction form
    80,506.14/120,793.38 = 43,056.50/x
  3. Step 3: Cross multiply
    80,506.14x = 120,793.38 × 43,056.50
  4. Step 4: Simplify right side
    80,506.14x = 5,200,940,165.97
  5. Step 5: Solve for x
    x = 5,200,940,165.97/80,506.14
  6. Step 6: Final answer
    x = 64,603.02

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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.