Home / 72,853.11-109,203.09-33,377.76

Finding the Fourth Proportional to 72,853.11, 109,203.09 and 33,377.76

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Solution

The fourth proportional to 72,853.11, 109,203.09 and 33,377.76 is: 50,031.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,853.11 : 109,203.09 = 33,377.76 : x
  2. Step 2: Convert to fraction form
    72,853.11/109,203.09 = 33,377.76/x
  3. Step 3: Cross multiply
    72,853.11x = 109,203.09 × 33,377.76
  4. Step 4: Simplify right side
    72,853.11x = 3,644,954,529.28
  5. Step 5: Solve for x
    x = 3,644,954,529.28/72,853.11
  6. Step 6: Final answer
    x = 50,031.56

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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.