Home / 75,849.20-113,716.69-45,857.23

Finding the Fourth Proportional to 75,849.20, 113,716.69 and 45,857.23

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Solution

The fourth proportional to 75,849.20, 113,716.69 and 45,857.23 is: 68,751.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,849.20 : 113,716.69 = 45,857.23 : x
  2. Step 2: Convert to fraction form
    75,849.20/113,716.69 = 45,857.23/x
  3. Step 3: Cross multiply
    75,849.20x = 113,716.69 × 45,857.23
  4. Step 4: Simplify right side
    75,849.20x = 5,214,732,408.17
  5. Step 5: Solve for x
    x = 5,214,732,408.17/75,849.20
  6. Step 6: Final answer
    x = 68,751.32

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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.