Home / 87,272.46-120,439.71-49,550.22

Finding the Fourth Proportional to 87,272.46, 120,439.71 and 49,550.22

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Solution

The fourth proportional to 87,272.46, 120,439.71 and 49,550.22 is: 68,381.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,272.46 : 120,439.71 = 49,550.22 : x
  2. Step 2: Convert to fraction form
    87,272.46/120,439.71 = 49,550.22/x
  3. Step 3: Cross multiply
    87,272.46x = 120,439.71 × 49,550.22
  4. Step 4: Simplify right side
    87,272.46x = 5,967,814,127.24
  5. Step 5: Solve for x
    x = 5,967,814,127.24/87,272.46
  6. Step 6: Final answer
    x = 68,381.41

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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.