Home / 80,864.88-121,320.78-33,471.24

Finding the Fourth Proportional to 80,864.88, 121,320.78 and 33,471.24

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Solution

The fourth proportional to 80,864.88, 121,320.78 and 33,471.24 is: 50,216.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,864.88 : 121,320.78 = 33,471.24 : x
  2. Step 2: Convert to fraction form
    80,864.88/121,320.78 = 33,471.24/x
  3. Step 3: Cross multiply
    80,864.88x = 121,320.78 × 33,471.24
  4. Step 4: Simplify right side
    80,864.88x = 4,060,756,944.37
  5. Step 5: Solve for x
    x = 4,060,756,944.37/80,864.88
  6. Step 6: Final answer
    x = 50,216.57

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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.