Home / 66,910.68-92,260.62-54,772.56

Finding the Fourth Proportional to 66,910.68, 92,260.62 and 54,772.56

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Solution

The fourth proportional to 66,910.68, 92,260.62 and 54,772.56 is: 75,523.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,910.68 : 92,260.62 = 54,772.56 : x
  2. Step 2: Convert to fraction form
    66,910.68/92,260.62 = 54,772.56/x
  3. Step 3: Cross multiply
    66,910.68x = 92,260.62 × 54,772.56
  4. Step 4: Simplify right side
    66,910.68x = 5,053,350,344.59
  5. Step 5: Solve for x
    x = 5,053,350,344.59/66,910.68
  6. Step 6: Final answer
    x = 75,523.82

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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.