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Finding the Fourth Proportional to 88,134.54, 121,617.63 and 50,407.98

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Solution

The fourth proportional to 88,134.54, 121,617.63 and 50,407.98 is: 69,558.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,134.54 : 121,617.63 = 50,407.98 : x
  2. Step 2: Convert to fraction form
    88,134.54/121,617.63 = 50,407.98/x
  3. Step 3: Cross multiply
    88,134.54x = 121,617.63 × 50,407.98
  4. Step 4: Simplify right side
    88,134.54x = 6,130,499,060.69
  5. Step 5: Solve for x
    x = 6,130,499,060.69/88,134.54
  6. Step 6: Final answer
    x = 69,558.42

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