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Finding the Fourth Proportional to 87,980.64, 121,419.72 and 50,254.08

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Solution

The fourth proportional to 87,980.64, 121,419.72 and 50,254.08 is: 69,354.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,980.64 : 121,419.72 = 50,254.08 : x
  2. Step 2: Convert to fraction form
    87,980.64/121,419.72 = 50,254.08/x
  3. Step 3: Cross multiply
    87,980.64x = 121,419.72 × 50,254.08
  4. Step 4: Simplify right side
    87,980.64x = 6,101,836,322.46
  5. Step 5: Solve for x
    x = 6,101,836,322.46/87,980.64
  6. Step 6: Final answer
    x = 69,354.31

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