Home / 76,794.30-115,197.30-26,177.61

Finding the Fourth Proportional to 76,794.30, 115,197.30 and 26,177.61

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Solution

The fourth proportional to 76,794.30, 115,197.30 and 26,177.61 is: 39,268.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,794.30 : 115,197.30 = 26,177.61 : x
  2. Step 2: Convert to fraction form
    76,794.30/115,197.30 = 26,177.61/x
  3. Step 3: Cross multiply
    76,794.30x = 115,197.30 × 26,177.61
  4. Step 4: Simplify right side
    76,794.30x = 3,015,589,992.45
  5. Step 5: Solve for x
    x = 3,015,589,992.45/76,794.30
  6. Step 6: Final answer
    x = 39,268.41

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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.