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Finding the Fourth Proportional to 76,179.60, 105,092.94 and 49,330.76

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Solution

The fourth proportional to 76,179.60, 105,092.94 and 49,330.76 is: 68,053.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,179.60 : 105,092.94 = 49,330.76 : x
  2. Step 2: Convert to fraction form
    76,179.60/105,092.94 = 49,330.76/x
  3. Step 3: Cross multiply
    76,179.60x = 105,092.94 × 49,330.76
  4. Step 4: Simplify right side
    76,179.60x = 5,184,314,075.37
  5. Step 5: Solve for x
    x = 5,184,314,075.37/76,179.60
  6. Step 6: Final answer
    x = 68,053.84

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