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Finding the Fourth Proportional to 91,366.80, 137,050.20 and 49,894.80

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Solution

The fourth proportional to 91,366.80, 137,050.20 and 49,894.80 is: 74,842.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,366.80 : 137,050.20 = 49,894.80 : x
  2. Step 2: Convert to fraction form
    91,366.80/137,050.20 = 49,894.80/x
  3. Step 3: Cross multiply
    91,366.80x = 137,050.20 × 49,894.80
  4. Step 4: Simplify right side
    91,366.80x = 6,838,092,318.96
  5. Step 5: Solve for x
    x = 6,838,092,318.96/91,366.80
  6. Step 6: Final answer
    x = 74,842.20

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