Home / 87,698.64-131,567.40-40,926

Finding the Fourth Proportional to 87,698.64, 131,567.40 and 40,926

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Solution

The fourth proportional to 87,698.64, 131,567.40 and 40,926 is: 61,398.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,698.64 : 131,567.40 = 40,926 : x
  2. Step 2: Convert to fraction form
    87,698.64/131,567.40 = 40,926/x
  3. Step 3: Cross multiply
    87,698.64x = 131,567.40 × 40,926
  4. Step 4: Simplify right side
    87,698.64x = 5,384,527,412.40
  5. Step 5: Solve for x
    x = 5,384,527,412.40/87,698.64
  6. Step 6: Final answer
    x = 61,398.07

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