Home / 87,246.80-120,401.16-49,521.68

Finding the Fourth Proportional to 87,246.80, 120,401.16 and 49,521.68

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Solution

The fourth proportional to 87,246.80, 120,401.16 and 49,521.68 is: 68,340.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,246.80 : 120,401.16 = 49,521.68 : x
  2. Step 2: Convert to fraction form
    87,246.80/120,401.16 = 49,521.68/x
  3. Step 3: Cross multiply
    87,246.80x = 120,401.16 × 49,521.68
  4. Step 4: Simplify right side
    87,246.80x = 5,962,467,717.15
  5. Step 5: Solve for x
    x = 5,962,467,717.15/87,246.80
  6. Step 6: Final answer
    x = 68,340.25

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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.