Home / 54,081.44-74,624.40-31,732.64

Finding the Fourth Proportional to 54,081.44, 74,624.40 and 31,732.64

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Solution

The fourth proportional to 54,081.44, 74,624.40 and 31,732.64 is: 43,786.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,081.44 : 74,624.40 = 31,732.64 : x
  2. Step 2: Convert to fraction form
    54,081.44/74,624.40 = 31,732.64/x
  3. Step 3: Cross multiply
    54,081.44x = 74,624.40 × 31,732.64
  4. Step 4: Simplify right side
    54,081.44x = 2,368,029,220.42
  5. Step 5: Solve for x
    x = 2,368,029,220.42/54,081.44
  6. Step 6: Final answer
    x = 43,786.36

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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.