Home / 83,621.36-125,436.20-33,694.79

Finding the Fourth Proportional to 83,621.36, 125,436.20 and 33,694.79

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Solution

The fourth proportional to 83,621.36, 125,436.20 and 33,694.79 is: 50,543.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,621.36 : 125,436.20 = 33,694.79 : x
  2. Step 2: Convert to fraction form
    83,621.36/125,436.20 = 33,694.79/x
  3. Step 3: Cross multiply
    83,621.36x = 125,436.20 × 33,694.79
  4. Step 4: Simplify right side
    83,621.36x = 4,226,545,621.74
  5. Step 5: Solve for x
    x = 4,226,545,621.74/83,621.36
  6. Step 6: Final answer
    x = 50,543.85

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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.