Home / 74,531.82-111,797.73-21,941.31

Finding the Fourth Proportional to 74,531.82, 111,797.73 and 21,941.31

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Solution

The fourth proportional to 74,531.82, 111,797.73 and 21,941.31 is: 32,911.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,531.82 : 111,797.73 = 21,941.31 : x
  2. Step 2: Convert to fraction form
    74,531.82/111,797.73 = 21,941.31/x
  3. Step 3: Cross multiply
    74,531.82x = 111,797.73 × 21,941.31
  4. Step 4: Simplify right side
    74,531.82x = 2,452,988,651.23
  5. Step 5: Solve for x
    x = 2,452,988,651.23/74,531.82
  6. Step 6: Final answer
    x = 32,911.97

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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.