Home / 54,129.44-74,699.70-29,930.42

Finding the Fourth Proportional to 54,129.44, 74,699.70 and 29,930.42

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Solution

The fourth proportional to 54,129.44, 74,699.70 and 29,930.42 is: 41,304.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,129.44 : 74,699.70 = 29,930.42 : x
  2. Step 2: Convert to fraction form
    54,129.44/74,699.70 = 29,930.42/x
  3. Step 3: Cross multiply
    54,129.44x = 74,699.70 × 29,930.42
  4. Step 4: Simplify right side
    54,129.44x = 2,235,793,394.87
  5. Step 5: Solve for x
    x = 2,235,793,394.87/54,129.44
  6. Step 6: Final answer
    x = 41,304.57

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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.