Home / 75,453.96-104,128.20-41,464.56

Finding the Fourth Proportional to 75,453.96, 104,128.20 and 41,464.56

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Solution

The fourth proportional to 75,453.96, 104,128.20 and 41,464.56 is: 57,222.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,453.96 : 104,128.20 = 41,464.56 : x
  2. Step 2: Convert to fraction form
    75,453.96/104,128.20 = 41,464.56/x
  3. Step 3: Cross multiply
    75,453.96x = 104,128.20 × 41,464.56
  4. Step 4: Simplify right side
    75,453.96x = 4,317,629,996.59
  5. Step 5: Solve for x
    x = 4,317,629,996.59/75,453.96
  6. Step 6: Final answer
    x = 57,222.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.