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Finding the Fourth Proportional to 92,855.25, 128,141.73 and 50,413.77

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Solution

The fourth proportional to 92,855.25, 128,141.73 and 50,413.77 is: 69,571.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,855.25 : 128,141.73 = 50,413.77 : x
  2. Step 2: Convert to fraction form
    92,855.25/128,141.73 = 50,413.77/x
  3. Step 3: Cross multiply
    92,855.25x = 128,141.73 × 50,413.77
  4. Step 4: Simplify right side
    92,855.25x = 6,460,107,703.62
  5. Step 5: Solve for x
    x = 6,460,107,703.62/92,855.25
  6. Step 6: Final answer
    x = 69,571.81

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