Home / 80,857.03-121,308.94-33,463.37

Finding the Fourth Proportional to 80,857.03, 121,308.94 and 33,463.37

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Solution

The fourth proportional to 80,857.03, 121,308.94 and 33,463.37 is: 50,204.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,857.03 : 121,308.94 = 33,463.37 : x
  2. Step 2: Convert to fraction form
    80,857.03/121,308.94 = 33,463.37/x
  3. Step 3: Cross multiply
    80,857.03x = 121,308.94 × 33,463.37
  4. Step 4: Simplify right side
    80,857.03x = 4,059,405,947.45
  5. Step 5: Solve for x
    x = 4,059,405,947.45/80,857.03
  6. Step 6: Final answer
    x = 50,204.74

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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.