Home / 43,452.72-65,190.60-15,754.80

Finding the Fourth Proportional to 43,452.72, 65,190.60 and 15,754.80

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Solution

The fourth proportional to 43,452.72, 65,190.60 and 15,754.80 is: 23,636.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,452.72 : 65,190.60 = 15,754.80 : x
  2. Step 2: Convert to fraction form
    43,452.72/65,190.60 = 15,754.80/x
  3. Step 3: Cross multiply
    43,452.72x = 65,190.60 × 15,754.80
  4. Step 4: Simplify right side
    43,452.72x = 1,027,064,864.88
  5. Step 5: Solve for x
    x = 1,027,064,864.88/43,452.72
  6. Step 6: Final answer
    x = 23,636.38

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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.