Home / 74,489.09-111,684.31-29,480.63

Finding the Fourth Proportional to 74,489.09, 111,684.31 and 29,480.63

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Solution

The fourth proportional to 74,489.09, 111,684.31 and 29,480.63 is: 44,201.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,489.09 : 111,684.31 = 29,480.63 : x
  2. Step 2: Convert to fraction form
    74,489.09/111,684.31 = 29,480.63/x
  3. Step 3: Cross multiply
    74,489.09x = 111,684.31 × 29,480.63
  4. Step 4: Simplify right side
    74,489.09x = 3,292,523,187.79
  5. Step 5: Solve for x
    x = 3,292,523,187.79/74,489.09
  6. Step 6: Final answer
    x = 44,201.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.