Home / 47,766.80-71,650.89-18,186.26

Finding the Fourth Proportional to 47,766.80, 71,650.89 and 18,186.26

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Solution

The fourth proportional to 47,766.80, 71,650.89 and 18,186.26 is: 27,279.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,766.80 : 71,650.89 = 18,186.26 : x
  2. Step 2: Convert to fraction form
    47,766.80/71,650.89 = 18,186.26/x
  3. Step 3: Cross multiply
    47,766.80x = 71,650.89 × 18,186.26
  4. Step 4: Simplify right side
    47,766.80x = 1,303,061,893.90
  5. Step 5: Solve for x
    x = 1,303,061,893.90/47,766.80
  6. Step 6: Final answer
    x = 27,279.66

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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.