Home / 75,793.68-113,690.06-19,633.64

Finding the Fourth Proportional to 75,793.68, 113,690.06 and 19,633.64

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Solution

The fourth proportional to 75,793.68, 113,690.06 and 19,633.64 is: 29,450.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,793.68 : 113,690.06 = 19,633.64 : x
  2. Step 2: Convert to fraction form
    75,793.68/113,690.06 = 19,633.64/x
  3. Step 3: Cross multiply
    75,793.68x = 113,690.06 × 19,633.64
  4. Step 4: Simplify right side
    75,793.68x = 2,232,149,709.62
  5. Step 5: Solve for x
    x = 2,232,149,709.62/75,793.68
  6. Step 6: Final answer
    x = 29,450.34

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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.