Home / 76,367.09-114,617.46-40,856.69

Finding the Fourth Proportional to 76,367.09, 114,617.46 and 40,856.69

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Solution

The fourth proportional to 76,367.09, 114,617.46 and 40,856.69 is: 61,320.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,367.09 : 114,617.46 = 40,856.69 : x
  2. Step 2: Convert to fraction form
    76,367.09/114,617.46 = 40,856.69/x
  3. Step 3: Cross multiply
    76,367.09x = 114,617.46 × 40,856.69
  4. Step 4: Simplify right side
    76,367.09x = 4,682,889,458.72
  5. Step 5: Solve for x
    x = 4,682,889,458.72/76,367.09
  6. Step 6: Final answer
    x = 61,320.78

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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.