Home / 43,453.20-65,201.40-17,158.80

Finding the Fourth Proportional to 43,453.20, 65,201.40 and 17,158.80

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Solution

The fourth proportional to 43,453.20, 65,201.40 and 17,158.80 is: 25,746.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,453.20 : 65,201.40 = 17,158.80 : x
  2. Step 2: Convert to fraction form
    43,453.20/65,201.40 = 17,158.80/x
  3. Step 3: Cross multiply
    43,453.20x = 65,201.40 × 17,158.80
  4. Step 4: Simplify right side
    43,453.20x = 1,118,777,782.32
  5. Step 5: Solve for x
    x = 1,118,777,782.32/43,453.20
  6. Step 6: Final answer
    x = 25,746.73

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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.