Home / 90,800.92-125,286.42-53,067.88

Finding the Fourth Proportional to 90,800.92, 125,286.42 and 53,067.88

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Solution

The fourth proportional to 90,800.92, 125,286.42 and 53,067.88 is: 73,222.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,800.92 : 125,286.42 = 53,067.88 : x
  2. Step 2: Convert to fraction form
    90,800.92/125,286.42 = 53,067.88/x
  3. Step 3: Cross multiply
    90,800.92x = 125,286.42 × 53,067.88
  4. Step 4: Simplify right side
    90,800.92x = 6,648,684,702.19
  5. Step 5: Solve for x
    x = 6,648,684,702.19/90,800.92
  6. Step 6: Final answer
    x = 73,222.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.