Home / 117,529.92-162,131.22-75,043.80

Finding the Fourth Proportional to 117,529.92, 162,131.22 and 75,043.80

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Solution

The fourth proportional to 117,529.92, 162,131.22 and 75,043.80 is: 103,522.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,529.92 : 162,131.22 = 75,043.80 : x
  2. Step 2: Convert to fraction form
    117,529.92/162,131.22 = 75,043.80/x
  3. Step 3: Cross multiply
    117,529.92x = 162,131.22 × 75,043.80
  4. Step 4: Simplify right side
    117,529.92x = 12,166,942,847.44
  5. Step 5: Solve for x
    x = 12,166,942,847.44/117,529.92
  6. Step 6: Final answer
    x = 103,522.09

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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.