Home / 50,991.70-76,422.64-28,817.44

Finding the Fourth Proportional to 50,991.70, 76,422.64 and 28,817.44

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Solution

The fourth proportional to 50,991.70, 76,422.64 and 28,817.44 is: 43,189.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,991.70 : 76,422.64 = 28,817.44 : x
  2. Step 2: Convert to fraction form
    50,991.70/76,422.64 = 28,817.44/x
  3. Step 3: Cross multiply
    50,991.70x = 76,422.64 × 28,817.44
  4. Step 4: Simplify right side
    50,991.70x = 2,202,304,842.84
  5. Step 5: Solve for x
    x = 2,202,304,842.84/50,991.70
  6. Step 6: Final answer
    x = 43,189.48

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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.