Home / 87,717.24-121,049.70-47,430.90

Finding the Fourth Proportional to 87,717.24, 121,049.70 and 47,430.90

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Solution

The fourth proportional to 87,717.24, 121,049.70 and 47,430.90 is: 65,454.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,717.24 : 121,049.70 = 47,430.90 : x
  2. Step 2: Convert to fraction form
    87,717.24/121,049.70 = 47,430.90/x
  3. Step 3: Cross multiply
    87,717.24x = 121,049.70 × 47,430.90
  4. Step 4: Simplify right side
    87,717.24x = 5,741,496,037.86
  5. Step 5: Solve for x
    x = 5,741,496,037.86/87,717.24
  6. Step 6: Final answer
    x = 65,454.59

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