Home / 80,863.88-121,319.28-33,470.24

Finding the Fourth Proportional to 80,863.88, 121,319.28 and 33,470.24

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Solution

The fourth proportional to 80,863.88, 121,319.28 and 33,470.24 is: 50,215.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,863.88 : 121,319.28 = 33,470.24 : x
  2. Step 2: Convert to fraction form
    80,863.88/121,319.28 = 33,470.24/x
  3. Step 3: Cross multiply
    80,863.88x = 121,319.28 × 33,470.24
  4. Step 4: Simplify right side
    80,863.88x = 4,060,585,418.23
  5. Step 5: Solve for x
    x = 4,060,585,418.23/80,863.88
  6. Step 6: Final answer
    x = 50,215.07

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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.