Home / 54,673.60-75,449.22-30,807.96

Finding the Fourth Proportional to 54,673.60, 75,449.22 and 30,807.96

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Solution

The fourth proportional to 54,673.60, 75,449.22 and 30,807.96 is: 42,514.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,673.60 : 75,449.22 = 30,807.96 : x
  2. Step 2: Convert to fraction form
    54,673.60/75,449.22 = 30,807.96/x
  3. Step 3: Cross multiply
    54,673.60x = 75,449.22 × 30,807.96
  4. Step 4: Simplify right side
    54,673.60x = 2,324,436,551.79
  5. Step 5: Solve for x
    x = 2,324,436,551.79/54,673.60
  6. Step 6: Final answer
    x = 42,514.79

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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.