Home / 87,040.96-120,116.46-49,315.21

Finding the Fourth Proportional to 87,040.96, 120,116.46 and 49,315.21

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Solution

The fourth proportional to 87,040.96, 120,116.46 and 49,315.21 is: 68,054.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,040.96 : 120,116.46 = 49,315.21 : x
  2. Step 2: Convert to fraction form
    87,040.96/120,116.46 = 49,315.21/x
  3. Step 3: Cross multiply
    87,040.96x = 120,116.46 × 49,315.21
  4. Step 4: Simplify right side
    87,040.96x = 5,923,568,449.36
  5. Step 5: Solve for x
    x = 5,923,568,449.36/87,040.96
  6. Step 6: Final answer
    x = 68,054.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.