Home / 75,756.56-113,651.25-29,009.44

Finding the Fourth Proportional to 75,756.56, 113,651.25 and 29,009.44

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Solution

The fourth proportional to 75,756.56, 113,651.25 and 29,009.44 is: 43,520.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,756.56 : 113,651.25 = 29,009.44 : x
  2. Step 2: Convert to fraction form
    75,756.56/113,651.25 = 29,009.44/x
  3. Step 3: Cross multiply
    75,756.56x = 113,651.25 × 29,009.44
  4. Step 4: Simplify right side
    75,756.56x = 3,296,958,833.67
  5. Step 5: Solve for x
    x = 3,296,958,833.67/75,756.56
  6. Step 6: Final answer
    x = 43,520.44

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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.