Home / 54,785.32-75,615.94-35,631.78

Finding the Fourth Proportional to 54,785.32, 75,615.94 and 35,631.78

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Solution

The fourth proportional to 54,785.32, 75,615.94 and 35,631.78 is: 49,179.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,785.32 : 75,615.94 = 35,631.78 : x
  2. Step 2: Convert to fraction form
    54,785.32/75,615.94 = 35,631.78/x
  3. Step 3: Cross multiply
    54,785.32x = 75,615.94 × 35,631.78
  4. Step 4: Simplify right side
    54,785.32x = 2,694,330,538.57
  5. Step 5: Solve for x
    x = 2,694,330,538.57/54,785.32
  6. Step 6: Final answer
    x = 49,179.79

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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.