Home / 43,485.12-65,207.04-16,843.58

Finding the Fourth Proportional to 43,485.12, 65,207.04 and 16,843.58

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Solution

The fourth proportional to 43,485.12, 65,207.04 and 16,843.58 is: 25,257.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,485.12 : 65,207.04 = 16,843.58 : x
  2. Step 2: Convert to fraction form
    43,485.12/65,207.04 = 16,843.58/x
  3. Step 3: Cross multiply
    43,485.12x = 65,207.04 × 16,843.58
  4. Step 4: Simplify right side
    43,485.12x = 1,098,319,850.13
  5. Step 5: Solve for x
    x = 1,098,319,850.13/43,485.12
  6. Step 6: Final answer
    x = 25,257.37

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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.