Home / 54,174.29-74,763.95-30,301.09

Finding the Fourth Proportional to 54,174.29, 74,763.95 and 30,301.09

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Solution

The fourth proportional to 54,174.29, 74,763.95 and 30,301.09 is: 41,817.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,174.29 : 74,763.95 = 30,301.09 : x
  2. Step 2: Convert to fraction form
    54,174.29/74,763.95 = 30,301.09/x
  3. Step 3: Cross multiply
    54,174.29x = 74,763.95 × 30,301.09
  4. Step 4: Simplify right side
    54,174.29x = 2,265,428,839.29
  5. Step 5: Solve for x
    x = 2,265,428,839.29/54,174.29
  6. Step 6: Final answer
    x = 41,817.42

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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.