Home / 87,661.08-120,949.56-53,657.28

Finding the Fourth Proportional to 87,661.08, 120,949.56 and 53,657.28

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Solution

The fourth proportional to 87,661.08, 120,949.56 and 53,657.28 is: 74,033.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,661.08 : 120,949.56 = 53,657.28 : x
  2. Step 2: Convert to fraction form
    87,661.08/120,949.56 = 53,657.28/x
  3. Step 3: Cross multiply
    87,661.08x = 120,949.56 × 53,657.28
  4. Step 4: Simplify right side
    87,661.08x = 6,489,824,406.80
  5. Step 5: Solve for x
    x = 6,489,824,406.80/87,661.08
  6. Step 6: Final answer
    x = 74,033.13

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