Home / 43,361.20-65,027.96-13,772.11

Finding the Fourth Proportional to 43,361.20, 65,027.96 and 13,772.11

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Solution

The fourth proportional to 43,361.20, 65,027.96 and 13,772.11 is: 20,653.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,361.20 : 65,027.96 = 13,772.11 : x
  2. Step 2: Convert to fraction form
    43,361.20/65,027.96 = 13,772.11/x
  3. Step 3: Cross multiply
    43,361.20x = 65,027.96 × 13,772.11
  4. Step 4: Simplify right side
    43,361.20x = 895,572,218.20
  5. Step 5: Solve for x
    x = 895,572,218.20/43,361.20
  6. Step 6: Final answer
    x = 20,653.77

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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.