Home / 80,040.53-120,056.46-40,596.62

Finding the Fourth Proportional to 80,040.53, 120,056.46 and 40,596.62

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Solution

The fourth proportional to 80,040.53, 120,056.46 and 40,596.62 is: 60,892.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,040.53 : 120,056.46 = 40,596.62 : x
  2. Step 2: Convert to fraction form
    80,040.53/120,056.46 = 40,596.62/x
  3. Step 3: Cross multiply
    80,040.53x = 120,056.46 × 40,596.62
  4. Step 4: Simplify right side
    80,040.53x = 4,873,885,732.65
  5. Step 5: Solve for x
    x = 4,873,885,732.65/80,040.53
  6. Step 6: Final answer
    x = 60,892.72

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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.