Home / 54,682.79-75,460.82-30,808.04

Finding the Fourth Proportional to 54,682.79, 75,460.82 and 30,808.04

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Solution

The fourth proportional to 54,682.79, 75,460.82 and 30,808.04 is: 42,514.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,682.79 : 75,460.82 = 30,808.04 : x
  2. Step 2: Convert to fraction form
    54,682.79/75,460.82 = 30,808.04/x
  3. Step 3: Cross multiply
    54,682.79x = 75,460.82 × 30,808.04
  4. Step 4: Simplify right side
    54,682.79x = 2,324,799,429.65
  5. Step 5: Solve for x
    x = 2,324,799,429.65/54,682.79
  6. Step 6: Final answer
    x = 42,514.28

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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.