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Finding the Fourth Proportional to 79,750.35, 119,625.71 and 74,878.83

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Solution

The fourth proportional to 79,750.35, 119,625.71 and 74,878.83 is: 112,318.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,750.35 : 119,625.71 = 74,878.83 : x
  2. Step 2: Convert to fraction form
    79,750.35/119,625.71 = 74,878.83/x
  3. Step 3: Cross multiply
    79,750.35x = 119,625.71 × 74,878.83
  4. Step 4: Simplify right side
    79,750.35x = 8,957,432,828.33
  5. Step 5: Solve for x
    x = 8,957,432,828.33/79,750.35
  6. Step 6: Final answer
    x = 112,318.41

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