Home / 80,857.34-121,309.41-33,463.68

Finding the Fourth Proportional to 80,857.34, 121,309.41 and 33,463.68

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Solution

The fourth proportional to 80,857.34, 121,309.41 and 33,463.68 is: 50,205.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,857.34 : 121,309.41 = 33,463.68 : x
  2. Step 2: Convert to fraction form
    80,857.34/121,309.41 = 33,463.68/x
  3. Step 3: Cross multiply
    80,857.34x = 121,309.41 × 33,463.68
  4. Step 4: Simplify right side
    80,857.34x = 4,059,459,277.23
  5. Step 5: Solve for x
    x = 4,059,459,277.23/80,857.34
  6. Step 6: Final answer
    x = 50,205.20

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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.