Home / 87,809.82-121,165.29-49,048.08

Finding the Fourth Proportional to 87,809.82, 121,165.29 and 49,048.08

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Solution

The fourth proportional to 87,809.82, 121,165.29 and 49,048.08 is: 67,679.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,809.82 : 121,165.29 = 49,048.08 : x
  2. Step 2: Convert to fraction form
    87,809.82/121,165.29 = 49,048.08/x
  3. Step 3: Cross multiply
    87,809.82x = 121,165.29 × 49,048.08
  4. Step 4: Simplify right side
    87,809.82x = 5,942,924,837.14
  5. Step 5: Solve for x
    x = 5,942,924,837.14/87,809.82
  6. Step 6: Final answer
    x = 67,679.50

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