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Finding the Fourth Proportional to 76,230.60, 114,345.90 and 49,658.55

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Solution

The fourth proportional to 76,230.60, 114,345.90 and 49,658.55 is: 74,487.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,230.60 : 114,345.90 = 49,658.55 : x
  2. Step 2: Convert to fraction form
    76,230.60/114,345.90 = 49,658.55/x
  3. Step 3: Cross multiply
    76,230.60x = 114,345.90 × 49,658.55
  4. Step 4: Simplify right side
    76,230.60x = 5,678,251,592.45
  5. Step 5: Solve for x
    x = 5,678,251,592.45/76,230.60
  6. Step 6: Final answer
    x = 74,487.83

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