Home / 80,504.08-120,805.26-50,881.12

Finding the Fourth Proportional to 80,504.08, 120,805.26 and 50,881.12

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Solution

The fourth proportional to 80,504.08, 120,805.26 and 50,881.12 is: 76,352.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,504.08 : 120,805.26 = 50,881.12 : x
  2. Step 2: Convert to fraction form
    80,504.08/120,805.26 = 50,881.12/x
  3. Step 3: Cross multiply
    80,504.08x = 120,805.26 × 50,881.12
  4. Step 4: Simplify right side
    80,504.08x = 6,146,706,930.69
  5. Step 5: Solve for x
    x = 6,146,706,930.69/80,504.08
  6. Step 6: Final answer
    x = 76,352.74

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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.