Home / 43,157.88-64,709.82-18,185.04

Finding the Fourth Proportional to 43,157.88, 64,709.82 and 18,185.04

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Solution

The fourth proportional to 43,157.88, 64,709.82 and 18,185.04 is: 27,266.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,157.88 : 64,709.82 = 18,185.04 : x
  2. Step 2: Convert to fraction form
    43,157.88/64,709.82 = 18,185.04/x
  3. Step 3: Cross multiply
    43,157.88x = 64,709.82 × 18,185.04
  4. Step 4: Simplify right side
    43,157.88x = 1,176,750,665.09
  5. Step 5: Solve for x
    x = 1,176,750,665.09/43,157.88
  6. Step 6: Final answer
    x = 27,266.18

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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.