Home / 43,820.73-65,704.84-20,098.56

Finding the Fourth Proportional to 43,820.73, 65,704.84 and 20,098.56

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Solution

The fourth proportional to 43,820.73, 65,704.84 and 20,098.56 is: 30,135.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,820.73 : 65,704.84 = 20,098.56 : x
  2. Step 2: Convert to fraction form
    43,820.73/65,704.84 = 20,098.56/x
  3. Step 3: Cross multiply
    43,820.73x = 65,704.84 × 20,098.56
  4. Step 4: Simplify right side
    43,820.73x = 1,320,572,865.18
  5. Step 5: Solve for x
    x = 1,320,572,865.18/43,820.73
  6. Step 6: Final answer
    x = 30,135.80

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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.