Home / 75,756.82-113,635.22-29,009.70

Finding the Fourth Proportional to 75,756.82, 113,635.22 and 29,009.70

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Solution

The fourth proportional to 75,756.82, 113,635.22 and 29,009.70 is: 43,514.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,756.82 : 113,635.22 = 29,009.70 : x
  2. Step 2: Convert to fraction form
    75,756.82/113,635.22 = 29,009.70/x
  3. Step 3: Cross multiply
    75,756.82x = 113,635.22 × 29,009.70
  4. Step 4: Simplify right side
    75,756.82x = 3,296,523,641.63
  5. Step 5: Solve for x
    x = 3,296,523,641.63/75,756.82
  6. Step 6: Final answer
    x = 43,514.55

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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.