Home / 47,755.26-71,615.88-18,181.08

Finding the Fourth Proportional to 47,755.26, 71,615.88 and 18,181.08

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Solution

The fourth proportional to 47,755.26, 71,615.88 and 18,181.08 is: 27,265.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,755.26 : 71,615.88 = 18,181.08 : x
  2. Step 2: Convert to fraction form
    47,755.26/71,615.88 = 18,181.08/x
  3. Step 3: Cross multiply
    47,755.26x = 71,615.88 × 18,181.08
  4. Step 4: Simplify right side
    47,755.26x = 1,302,054,043.55
  5. Step 5: Solve for x
    x = 1,302,054,043.55/47,755.26
  6. Step 6: Final answer
    x = 27,265.14

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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.