Home / 87,811.76-121,150.37-49,566.80

Finding the Fourth Proportional to 87,811.76, 121,150.37 and 49,566.80

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Solution

The fourth proportional to 87,811.76, 121,150.37 and 49,566.80 is: 68,385.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,811.76 : 121,150.37 = 49,566.80 : x
  2. Step 2: Convert to fraction form
    87,811.76/121,150.37 = 49,566.80/x
  3. Step 3: Cross multiply
    87,811.76x = 121,150.37 × 49,566.80
  4. Step 4: Simplify right side
    87,811.76x = 6,005,036,586.51
  5. Step 5: Solve for x
    x = 6,005,036,586.51/87,811.76
  6. Step 6: Final answer
    x = 68,385.33

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