Home / 80,096.22-120,143.61-56,305.62

Finding the Fourth Proportional to 80,096.22, 120,143.61 and 56,305.62

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Solution

The fourth proportional to 80,096.22, 120,143.61 and 56,305.62 is: 84,457.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,096.22 : 120,143.61 = 56,305.62 : x
  2. Step 2: Convert to fraction form
    80,096.22/120,143.61 = 56,305.62/x
  3. Step 3: Cross multiply
    80,096.22x = 120,143.61 × 56,305.62
  4. Step 4: Simplify right side
    80,096.22x = 6,764,760,450.09
  5. Step 5: Solve for x
    x = 6,764,760,450.09/80,096.22
  6. Step 6: Final answer
    x = 84,457.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.