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Finding the Fourth Proportional to 49,076.40, 73,420.20 and 42,574.80

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Solution

The fourth proportional to 49,076.40, 73,420.20 and 42,574.80 is: 63,693.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,076.40 : 73,420.20 = 42,574.80 : x
  2. Step 2: Convert to fraction form
    49,076.40/73,420.20 = 42,574.80/x
  3. Step 3: Cross multiply
    49,076.40x = 73,420.20 × 42,574.80
  4. Step 4: Simplify right side
    49,076.40x = 3,125,850,330.96
  5. Step 5: Solve for x
    x = 3,125,850,330.96/49,076.40
  6. Step 6: Final answer
    x = 63,693.55

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