Home / 87,727.19-121,063.41-47,440.85

Finding the Fourth Proportional to 87,727.19, 121,063.41 and 47,440.85

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Solution

The fourth proportional to 87,727.19, 121,063.41 and 47,440.85 is: 65,468.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,727.19 : 121,063.41 = 47,440.85 : x
  2. Step 2: Convert to fraction form
    87,727.19/121,063.41 = 47,440.85/x
  3. Step 3: Cross multiply
    87,727.19x = 121,063.41 × 47,440.85
  4. Step 4: Simplify right side
    87,727.19x = 5,743,351,074.30
  5. Step 5: Solve for x
    x = 5,743,351,074.30/87,727.19
  6. Step 6: Final answer
    x = 65,468.31

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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.