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Finding the Fourth Proportional to 49,345.80, 74,018.70 and 43,902.60

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Solution

The fourth proportional to 49,345.80, 74,018.70 and 43,902.60 is: 65,853.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,345.80 : 74,018.70 = 43,902.60 : x
  2. Step 2: Convert to fraction form
    49,345.80/74,018.70 = 43,902.60/x
  3. Step 3: Cross multiply
    49,345.80x = 74,018.70 × 43,902.60
  4. Step 4: Simplify right side
    49,345.80x = 3,249,613,378.62
  5. Step 5: Solve for x
    x = 3,249,613,378.62/49,345.80
  6. Step 6: Final answer
    x = 65,853.90

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