Home / 74,579.64-111,910.47-35,135.73

Finding the Fourth Proportional to 74,579.64, 111,910.47 and 35,135.73

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Solution

The fourth proportional to 74,579.64, 111,910.47 and 35,135.73 is: 52,722.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,579.64 : 111,910.47 = 35,135.73 : x
  2. Step 2: Convert to fraction form
    74,579.64/111,910.47 = 35,135.73/x
  3. Step 3: Cross multiply
    74,579.64x = 111,910.47 × 35,135.73
  4. Step 4: Simplify right side
    74,579.64x = 3,932,056,058.09
  5. Step 5: Solve for x
    x = 3,932,056,058.09/74,579.64
  6. Step 6: Final answer
    x = 52,722.92

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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.