Home / 43,766.80-65,644.73-12,179.23

Finding the Fourth Proportional to 43,766.80, 65,644.73 and 12,179.23

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Solution

The fourth proportional to 43,766.80, 65,644.73 and 12,179.23 is: 18,267.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,766.80 : 65,644.73 = 12,179.23 : x
  2. Step 2: Convert to fraction form
    43,766.80/65,644.73 = 12,179.23/x
  3. Step 3: Cross multiply
    43,766.80x = 65,644.73 × 12,179.23
  4. Step 4: Simplify right side
    43,766.80x = 799,502,085.62
  5. Step 5: Solve for x
    x = 799,502,085.62/43,766.80
  6. Step 6: Final answer
    x = 18,267.32

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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.