Home / 75,910.06-113,874.81-29,156.86

Finding the Fourth Proportional to 75,910.06, 113,874.81 and 29,156.86

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Solution

The fourth proportional to 75,910.06, 113,874.81 and 29,156.86 is: 43,739.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,910.06 : 113,874.81 = 29,156.86 : x
  2. Step 2: Convert to fraction form
    75,910.06/113,874.81 = 29,156.86/x
  3. Step 3: Cross multiply
    75,910.06x = 113,874.81 × 29,156.86
  4. Step 4: Simplify right side
    75,910.06x = 3,320,231,892.70
  5. Step 5: Solve for x
    x = 3,320,231,892.70/75,910.06
  6. Step 6: Final answer
    x = 43,739.02

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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.