Home / 87,194.48-120,099.21-67,012.75

Finding the Fourth Proportional to 87,194.48, 120,099.21 and 67,012.75

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Solution

The fourth proportional to 87,194.48, 120,099.21 and 67,012.75 is: 92,301.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,194.48 : 120,099.21 = 67,012.75 : x
  2. Step 2: Convert to fraction form
    87,194.48/120,099.21 = 67,012.75/x
  3. Step 3: Cross multiply
    87,194.48x = 120,099.21 × 67,012.75
  4. Step 4: Simplify right side
    87,194.48x = 8,048,177,734.43
  5. Step 5: Solve for x
    x = 8,048,177,734.43/87,194.48
  6. Step 6: Final answer
    x = 92,301.46

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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.