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Finding the Fourth Proportional to 74,415.42, 102,633.78 and 48,947.94

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Solution

The fourth proportional to 74,415.42, 102,633.78 and 48,947.94 is: 67,509.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,415.42 : 102,633.78 = 48,947.94 : x
  2. Step 2: Convert to fraction form
    74,415.42/102,633.78 = 48,947.94/x
  3. Step 3: Cross multiply
    74,415.42x = 102,633.78 × 48,947.94
  4. Step 4: Simplify right side
    74,415.42x = 5,023,712,105.41
  5. Step 5: Solve for x
    x = 5,023,712,105.41/74,415.42
  6. Step 6: Final answer
    x = 67,509.02

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