Home / 80,998.05-121,551.30-33,613.19

Finding the Fourth Proportional to 80,998.05, 121,551.30 and 33,613.19

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Solution

The fourth proportional to 80,998.05, 121,551.30 and 33,613.19 is: 50,442.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,998.05 : 121,551.30 = 33,613.19 : x
  2. Step 2: Convert to fraction form
    80,998.05/121,551.30 = 33,613.19/x
  3. Step 3: Cross multiply
    80,998.05x = 121,551.30 × 33,613.19
  4. Step 4: Simplify right side
    80,998.05x = 4,085,726,333.89
  5. Step 5: Solve for x
    x = 4,085,726,333.89/80,998.05
  6. Step 6: Final answer
    x = 50,442.28

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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.