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Finding the Fourth Proportional to 92,963.16, 128,289.98 and 50,521.72

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Solution

The fourth proportional to 92,963.16, 128,289.98 and 50,521.72 is: 69,720.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,963.16 : 128,289.98 = 50,521.72 : x
  2. Step 2: Convert to fraction form
    92,963.16/128,289.98 = 50,521.72/x
  3. Step 3: Cross multiply
    92,963.16x = 128,289.98 × 50,521.72
  4. Step 4: Simplify right side
    92,963.16x = 6,481,430,448.37
  5. Step 5: Solve for x
    x = 6,481,430,448.37/92,963.16
  6. Step 6: Final answer
    x = 69,720.42

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