Home / 54,785.44-75,613.19-31,811.70

Finding the Fourth Proportional to 54,785.44, 75,613.19 and 31,811.70

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Solution

The fourth proportional to 54,785.44, 75,613.19 and 31,811.70 is: 43,905.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,785.44 : 75,613.19 = 31,811.70 : x
  2. Step 2: Convert to fraction form
    54,785.44/75,613.19 = 31,811.70/x
  3. Step 3: Cross multiply
    54,785.44x = 75,613.19 × 31,811.70
  4. Step 4: Simplify right side
    54,785.44x = 2,405,384,116.32
  5. Step 5: Solve for x
    x = 2,405,384,116.32/54,785.44
  6. Step 6: Final answer
    x = 43,905.54

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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.