Home / 76,286.26-114,401.30-26,353.54

Finding the Fourth Proportional to 76,286.26, 114,401.30 and 26,353.54

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Solution

The fourth proportional to 76,286.26, 114,401.30 and 26,353.54 is: 39,520.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,286.26 : 114,401.30 = 26,353.54 : x
  2. Step 2: Convert to fraction form
    76,286.26/114,401.30 = 26,353.54/x
  3. Step 3: Cross multiply
    76,286.26x = 114,401.30 × 26,353.54
  4. Step 4: Simplify right side
    76,286.26x = 3,014,879,235.60
  5. Step 5: Solve for x
    x = 3,014,879,235.60/76,286.26
  6. Step 6: Final answer
    x = 39,520.61

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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.