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Finding the Fourth Proportional to 92,848.96, 128,128 and 50,406.56

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Solution

The fourth proportional to 92,848.96, 128,128 and 50,406.56 is: 69,559.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,848.96 : 128,128 = 50,406.56 : x
  2. Step 2: Convert to fraction form
    92,848.96/128,128 = 50,406.56/x
  3. Step 3: Cross multiply
    92,848.96x = 128,128 × 50,406.56
  4. Step 4: Simplify right side
    92,848.96x = 6,458,491,719.68
  5. Step 5: Solve for x
    x = 6,458,491,719.68/92,848.96
  6. Step 6: Final answer
    x = 69,559.12

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