Home / 127,757.43-191,577.75-47,736.72

Finding the Fourth Proportional to 127,757.43, 191,577.75 and 47,736.72

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Solution

The fourth proportional to 127,757.43, 191,577.75 and 47,736.72 is: 71,583.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,757.43 : 191,577.75 = 47,736.72 : x
  2. Step 2: Convert to fraction form
    127,757.43/191,577.75 = 47,736.72/x
  3. Step 3: Cross multiply
    127,757.43x = 191,577.75 × 47,736.72
  4. Step 4: Simplify right side
    127,757.43x = 9,145,293,171.30
  5. Step 5: Solve for x
    x = 9,145,293,171.30/127,757.43
  6. Step 6: Final answer
    x = 71,583.26

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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.