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Finding the Fourth Proportional to 87,274.64, 120,431.84 and 49,032.08

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Solution

The fourth proportional to 87,274.64, 120,431.84 and 49,032.08 is: 67,660.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,274.64 : 120,431.84 = 49,032.08 : x
  2. Step 2: Convert to fraction form
    87,274.64/120,431.84 = 49,032.08/x
  3. Step 3: Cross multiply
    87,274.64x = 120,431.84 × 49,032.08
  4. Step 4: Simplify right side
    87,274.64x = 5,905,023,613.43
  5. Step 5: Solve for x
    x = 5,905,023,613.43/87,274.64
  6. Step 6: Final answer
    x = 67,660.25

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