Home / 80,882.70-121,357.37-33,507.33

Finding the Fourth Proportional to 80,882.70, 121,357.37 and 33,507.33

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Solution

The fourth proportional to 80,882.70, 121,357.37 and 33,507.33 is: 50,274.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,882.70 : 121,357.37 = 33,507.33 : x
  2. Step 2: Convert to fraction form
    80,882.70/121,357.37 = 33,507.33/x
  3. Step 3: Cross multiply
    80,882.70x = 121,357.37 × 33,507.33
  4. Step 4: Simplify right side
    80,882.70x = 4,066,361,276.99
  5. Step 5: Solve for x
    x = 4,066,361,276.99/80,882.70
  6. Step 6: Final answer
    x = 50,274.80

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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.