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Finding the Fourth Proportional to 75,828.87, 104,659.80 and 51,986.91

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Solution

The fourth proportional to 75,828.87, 104,659.80 and 51,986.91 is: 71,752.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,828.87 : 104,659.80 = 51,986.91 : x
  2. Step 2: Convert to fraction form
    75,828.87/104,659.80 = 51,986.91/x
  3. Step 3: Cross multiply
    75,828.87x = 104,659.80 × 51,986.91
  4. Step 4: Simplify right side
    75,828.87x = 5,440,939,603.22
  5. Step 5: Solve for x
    x = 5,440,939,603.22/75,828.87
  6. Step 6: Final answer
    x = 71,752.88

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