Home / 75,380.19-112,922.46-43,723.73

Finding the Fourth Proportional to 75,380.19, 112,922.46 and 43,723.73

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Solution

The fourth proportional to 75,380.19, 112,922.46 and 43,723.73 is: 65,499.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,380.19 : 112,922.46 = 43,723.73 : x
  2. Step 2: Convert to fraction form
    75,380.19/112,922.46 = 43,723.73/x
  3. Step 3: Cross multiply
    75,380.19x = 112,922.46 × 43,723.73
  4. Step 4: Simplify right side
    75,380.19x = 4,937,391,151.98
  5. Step 5: Solve for x
    x = 4,937,391,151.98/75,380.19
  6. Step 6: Final answer
    x = 65,499.85

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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.