Home / 43,452.81-65,175.71-17,157.78

Finding the Fourth Proportional to 43,452.81, 65,175.71 and 17,157.78

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Solution

The fourth proportional to 43,452.81, 65,175.71 and 17,157.78 is: 25,735.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,452.81 : 65,175.71 = 17,157.78 : x
  2. Step 2: Convert to fraction form
    43,452.81/65,175.71 = 17,157.78/x
  3. Step 3: Cross multiply
    43,452.81x = 65,175.71 × 17,157.78
  4. Step 4: Simplify right side
    43,452.81x = 1,118,270,407.73
  5. Step 5: Solve for x
    x = 1,118,270,407.73/43,452.81
  6. Step 6: Final answer
    x = 25,735.28

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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.