Home / 80,140.20-110,588.88-43,834.44

Finding the Fourth Proportional to 80,140.20, 110,588.88 and 43,834.44

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Solution

The fourth proportional to 80,140.20, 110,588.88 and 43,834.44 is: 60,489.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,140.20 : 110,588.88 = 43,834.44 : x
  2. Step 2: Convert to fraction form
    80,140.20/110,588.88 = 43,834.44/x
  3. Step 3: Cross multiply
    80,140.20x = 110,588.88 × 43,834.44
  4. Step 4: Simplify right side
    80,140.20x = 4,847,601,625.03
  5. Step 5: Solve for x
    x = 4,847,601,625.03/80,140.20
  6. Step 6: Final answer
    x = 60,489.01

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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.