Home / 54,654.11-75,421.65-29,790.47

Finding the Fourth Proportional to 54,654.11, 75,421.65 and 29,790.47

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Solution

The fourth proportional to 54,654.11, 75,421.65 and 29,790.47 is: 41,110.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,654.11 : 75,421.65 = 29,790.47 : x
  2. Step 2: Convert to fraction form
    54,654.11/75,421.65 = 29,790.47/x
  3. Step 3: Cross multiply
    54,654.11x = 75,421.65 × 29,790.47
  4. Step 4: Simplify right side
    54,654.11x = 2,246,846,401.68
  5. Step 5: Solve for x
    x = 2,246,846,401.68/54,654.11
  6. Step 6: Final answer
    x = 41,110.29

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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.