Home / 75,821.40-113,732.10-49,249.35

Finding the Fourth Proportional to 75,821.40, 113,732.10 and 49,249.35

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Solution

The fourth proportional to 75,821.40, 113,732.10 and 49,249.35 is: 73,874.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,821.40 : 113,732.10 = 49,249.35 : x
  2. Step 2: Convert to fraction form
    75,821.40/113,732.10 = 49,249.35/x
  3. Step 3: Cross multiply
    75,821.40x = 113,732.10 × 49,249.35
  4. Step 4: Simplify right side
    75,821.40x = 5,601,231,999.14
  5. Step 5: Solve for x
    x = 5,601,231,999.14/75,821.40
  6. Step 6: Final answer
    x = 73,874.03

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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.