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Finding the Fourth Proportional to 92,985.94, 128,320.69 and 50,544.47

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Solution

The fourth proportional to 92,985.94, 128,320.69 and 50,544.47 is: 69,751.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,985.94 : 128,320.69 = 50,544.47 : x
  2. Step 2: Convert to fraction form
    92,985.94/128,320.69 = 50,544.47/x
  3. Step 3: Cross multiply
    92,985.94x = 128,320.69 × 50,544.47
  4. Step 4: Simplify right side
    92,985.94x = 6,485,901,719.36
  5. Step 5: Solve for x
    x = 6,485,901,719.36/92,985.94
  6. Step 6: Final answer
    x = 69,751.42

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