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Finding the Fourth Proportional to 89,718.94, 123,814.94 and 51,485.50

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Solution

The fourth proportional to 89,718.94, 123,814.94 and 51,485.50 is: 71,051.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,718.94 : 123,814.94 = 51,485.50 : x
  2. Step 2: Convert to fraction form
    89,718.94/123,814.94 = 51,485.50/x
  3. Step 3: Cross multiply
    89,718.94x = 123,814.94 × 51,485.50
  4. Step 4: Simplify right side
    89,718.94x = 6,374,674,093.37
  5. Step 5: Solve for x
    x = 6,374,674,093.37/89,718.94
  6. Step 6: Final answer
    x = 71,051.60

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