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Finding the Fourth Proportional to 76,835.20, 105,994.89 and 51,347.83

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Solution

The fourth proportional to 76,835.20, 105,994.89 and 51,347.83 is: 70,834.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,835.20 : 105,994.89 = 51,347.83 : x
  2. Step 2: Convert to fraction form
    76,835.20/105,994.89 = 51,347.83/x
  3. Step 3: Cross multiply
    76,835.20x = 105,994.89 × 51,347.83
  4. Step 4: Simplify right side
    76,835.20x = 5,442,607,592.59
  5. Step 5: Solve for x
    x = 5,442,607,592.59/76,835.20
  6. Step 6: Final answer
    x = 70,834.82

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