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Finding the Fourth Proportional to 89,762.96, 123,872.42 and 49,476.80

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Solution

The fourth proportional to 89,762.96, 123,872.42 and 49,476.80 is: 68,277.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,762.96 : 123,872.42 = 49,476.80 : x
  2. Step 2: Convert to fraction form
    89,762.96/123,872.42 = 49,476.80/x
  3. Step 3: Cross multiply
    89,762.96x = 123,872.42 × 49,476.80
  4. Step 4: Simplify right side
    89,762.96x = 6,128,810,702.47
  5. Step 5: Solve for x
    x = 6,128,810,702.47/89,762.96
  6. Step 6: Final answer
    x = 68,277.73

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