Home / 75,945.70-113,918.58-29,165.80

Finding the Fourth Proportional to 75,945.70, 113,918.58 and 29,165.80

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Solution

The fourth proportional to 75,945.70, 113,918.58 and 29,165.80 is: 43,748.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,945.70 : 113,918.58 = 29,165.80 : x
  2. Step 2: Convert to fraction form
    75,945.70/113,918.58 = 29,165.80/x
  3. Step 3: Cross multiply
    75,945.70x = 113,918.58 × 29,165.80
  4. Step 4: Simplify right side
    75,945.70x = 3,322,526,520.56
  5. Step 5: Solve for x
    x = 3,322,526,520.56/75,945.70
  6. Step 6: Final answer
    x = 43,748.71

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1.5x scale

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.