Home / 80,336.70-120,518.46-27,732.06

Finding the Fourth Proportional to 80,336.70, 120,518.46 and 27,732.06

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Solution

The fourth proportional to 80,336.70, 120,518.46 and 27,732.06 is: 41,602.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,336.70 : 120,518.46 = 27,732.06 : x
  2. Step 2: Convert to fraction form
    80,336.70/120,518.46 = 27,732.06/x
  3. Step 3: Cross multiply
    80,336.70x = 120,518.46 × 27,732.06
  4. Step 4: Simplify right side
    80,336.70x = 3,342,225,163.83
  5. Step 5: Solve for x
    x = 3,342,225,163.83/80,336.70
  6. Step 6: Final answer
    x = 41,602.72

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1.5x scale

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.