Home / 74,435.24-111,651.34-21,843.56

Finding the Fourth Proportional to 74,435.24, 111,651.34 and 21,843.56

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Solution

The fourth proportional to 74,435.24, 111,651.34 and 21,843.56 is: 32,764.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,435.24 : 111,651.34 = 21,843.56 : x
  2. Step 2: Convert to fraction form
    74,435.24/111,651.34 = 21,843.56/x
  3. Step 3: Cross multiply
    74,435.24x = 111,651.34 × 21,843.56
  4. Step 4: Simplify right side
    74,435.24x = 2,438,862,744.37
  5. Step 5: Solve for x
    x = 2,438,862,744.37/74,435.24
  6. Step 6: Final answer
    x = 32,764.89

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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.