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Finding the Fourth Proportional to 91,074.54, 125,683.53 and 50,790.90

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Solution

The fourth proportional to 91,074.54, 125,683.53 and 50,790.90 is: 70,091.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,074.54 : 125,683.53 = 50,790.90 : x
  2. Step 2: Convert to fraction form
    91,074.54/125,683.53 = 50,790.90/x
  3. Step 3: Cross multiply
    91,074.54x = 125,683.53 × 50,790.90
  4. Step 4: Simplify right side
    91,074.54x = 6,383,579,603.88
  5. Step 5: Solve for x
    x = 6,383,579,603.88/91,074.54
  6. Step 6: Final answer
    x = 70,091.81

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