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Finding the Fourth Proportional to 48,923.40, 73,385.10 and 45,618.60

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Solution

The fourth proportional to 48,923.40, 73,385.10 and 45,618.60 is: 68,427.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,923.40 : 73,385.10 = 45,618.60 : x
  2. Step 2: Convert to fraction form
    48,923.40/73,385.10 = 45,618.60/x
  3. Step 3: Cross multiply
    48,923.40x = 73,385.10 × 45,618.60
  4. Step 4: Simplify right side
    48,923.40x = 3,347,725,522.86
  5. Step 5: Solve for x
    x = 3,347,725,522.86/48,923.40
  6. Step 6: Final answer
    x = 68,427.90

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