Home / 75,306.96-103,992.72-48,496.56

Finding the Fourth Proportional to 75,306.96, 103,992.72 and 48,496.56

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Solution

The fourth proportional to 75,306.96, 103,992.72 and 48,496.56 is: 66,969.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,306.96 : 103,992.72 = 48,496.56 : x
  2. Step 2: Convert to fraction form
    75,306.96/103,992.72 = 48,496.56/x
  3. Step 3: Cross multiply
    75,306.96x = 103,992.72 × 48,496.56
  4. Step 4: Simplify right side
    75,306.96x = 5,043,289,185.04
  5. Step 5: Solve for x
    x = 5,043,289,185.04/75,306.96
  6. Step 6: Final answer
    x = 66,969.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.