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Finding the Fourth Proportional to 87,263.99, 120,435.62 and 53,265.36

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Solution

The fourth proportional to 87,263.99, 120,435.62 and 53,265.36 is: 73,513.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,263.99 : 120,435.62 = 53,265.36 : x
  2. Step 2: Convert to fraction form
    87,263.99/120,435.62 = 53,265.36/x
  3. Step 3: Cross multiply
    87,263.99x = 120,435.62 × 53,265.36
  4. Step 4: Simplify right side
    87,263.99x = 6,415,046,389.80
  5. Step 5: Solve for x
    x = 6,415,046,389.80/87,263.99
  6. Step 6: Final answer
    x = 73,513.10

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