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Finding the Fourth Proportional to 76,147.92, 105,131.70 and 48,934.98

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Solution

The fourth proportional to 76,147.92, 105,131.70 and 48,934.98 is: 67,560.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,147.92 : 105,131.70 = 48,934.98 : x
  2. Step 2: Convert to fraction form
    76,147.92/105,131.70 = 48,934.98/x
  3. Step 3: Cross multiply
    76,147.92x = 105,131.70 × 48,934.98
  4. Step 4: Simplify right side
    76,147.92x = 5,144,617,636.87
  5. Step 5: Solve for x
    x = 5,144,617,636.87/76,147.92
  6. Step 6: Final answer
    x = 67,560.84

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