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Finding the Fourth Proportional to 74,314.65, 102,639.40 and 48,934.47

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Solution

The fourth proportional to 74,314.65, 102,639.40 and 48,934.47 is: 67,585.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,314.65 : 102,639.40 = 48,934.47 : x
  2. Step 2: Convert to fraction form
    74,314.65/102,639.40 = 48,934.47/x
  3. Step 3: Cross multiply
    74,314.65x = 102,639.40 × 48,934.47
  4. Step 4: Simplify right side
    74,314.65x = 5,022,604,902.68
  5. Step 5: Solve for x
    x = 5,022,604,902.68/74,314.65
  6. Step 6: Final answer
    x = 67,585.66

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