Home / 87,632.55-120,944.07-57,443.31

Finding the Fourth Proportional to 87,632.55, 120,944.07 and 57,443.31

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Solution

The fourth proportional to 87,632.55, 120,944.07 and 57,443.31 is: 79,279.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,632.55 : 120,944.07 = 57,443.31 : x
  2. Step 2: Convert to fraction form
    87,632.55/120,944.07 = 57,443.31/x
  3. Step 3: Cross multiply
    87,632.55x = 120,944.07 × 57,443.31
  4. Step 4: Simplify right side
    87,632.55x = 6,947,427,705.67
  5. Step 5: Solve for x
    x = 6,947,427,705.67/87,632.55
  6. Step 6: Final answer
    x = 79,279.08

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