Home / 80,857.09-121,309.04-33,463.44

Finding the Fourth Proportional to 80,857.09, 121,309.04 and 33,463.44

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Solution

The fourth proportional to 80,857.09, 121,309.04 and 33,463.44 is: 50,204.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,857.09 : 121,309.04 = 33,463.44 : x
  2. Step 2: Convert to fraction form
    80,857.09/121,309.04 = 33,463.44/x
  3. Step 3: Cross multiply
    80,857.09x = 121,309.04 × 33,463.44
  4. Step 4: Simplify right side
    80,857.09x = 4,059,417,781.50
  5. Step 5: Solve for x
    x = 4,059,417,781.50/80,857.09
  6. Step 6: Final answer
    x = 50,204.85

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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.