Home / 83,764.05-125,555.79-33,818.40

Finding the Fourth Proportional to 83,764.05, 125,555.79 and 33,818.40

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Solution

The fourth proportional to 83,764.05, 125,555.79 and 33,818.40 is: 50,691.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,764.05 : 125,555.79 = 33,818.40 : x
  2. Step 2: Convert to fraction form
    83,764.05/125,555.79 = 33,818.40/x
  3. Step 3: Cross multiply
    83,764.05x = 125,555.79 × 33,818.40
  4. Step 4: Simplify right side
    83,764.05x = 4,246,095,928.54
  5. Step 5: Solve for x
    x = 4,246,095,928.54/83,764.05
  6. Step 6: Final answer
    x = 50,691.15

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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.