Home / 74,582.14-111,914.21-35,138.25

Finding the Fourth Proportional to 74,582.14, 111,914.21 and 35,138.25

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Solution

The fourth proportional to 74,582.14, 111,914.21 and 35,138.25 is: 52,726.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,582.14 : 111,914.21 = 35,138.25 : x
  2. Step 2: Convert to fraction form
    74,582.14/111,914.21 = 35,138.25/x
  3. Step 3: Cross multiply
    74,582.14x = 111,914.21 × 35,138.25
  4. Step 4: Simplify right side
    74,582.14x = 3,932,469,489.53
  5. Step 5: Solve for x
    x = 3,932,469,489.53/74,582.14
  6. Step 6: Final answer
    x = 52,726.69

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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.