Home / 65,138.90-97,634.23-27,675.59

Finding the Fourth Proportional to 65,138.90, 97,634.23 and 27,675.59

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Solution

The fourth proportional to 65,138.90, 97,634.23 and 27,675.59 is: 41,481.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,138.90 : 97,634.23 = 27,675.59 : x
  2. Step 2: Convert to fraction form
    65,138.90/97,634.23 = 27,675.59/x
  3. Step 3: Cross multiply
    65,138.90x = 97,634.23 × 27,675.59
  4. Step 4: Simplify right side
    65,138.90x = 2,702,084,362.09
  5. Step 5: Solve for x
    x = 2,702,084,362.09/65,138.90
  6. Step 6: Final answer
    x = 41,481.89

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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.