Home / 87,619.40-131,429.10-59,625.80

Finding the Fourth Proportional to 87,619.40, 131,429.10 and 59,625.80

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Solution

The fourth proportional to 87,619.40, 131,429.10 and 59,625.80 is: 89,438.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,619.40 : 131,429.10 = 59,625.80 : x
  2. Step 2: Convert to fraction form
    87,619.40/131,429.10 = 59,625.80/x
  3. Step 3: Cross multiply
    87,619.40x = 131,429.10 × 59,625.80
  4. Step 4: Simplify right side
    87,619.40x = 7,836,565,230.78
  5. Step 5: Solve for x
    x = 7,836,565,230.78/87,619.40
  6. Step 6: Final answer
    x = 89,438.70

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