Home / 87,571.40-120,832.17-49,328.06

Finding the Fourth Proportional to 87,571.40, 120,832.17 and 49,328.06

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Solution

The fourth proportional to 87,571.40, 120,832.17 and 49,328.06 is: 68,063.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,571.40 : 120,832.17 = 49,328.06 : x
  2. Step 2: Convert to fraction form
    87,571.40/120,832.17 = 49,328.06/x
  3. Step 3: Cross multiply
    87,571.40x = 120,832.17 × 49,328.06
  4. Step 4: Simplify right side
    87,571.40x = 5,960,416,531.69
  5. Step 5: Solve for x
    x = 5,960,416,531.69/87,571.40
  6. Step 6: Final answer
    x = 68,063.51

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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.