Home / 117,255.62-175,738.94-66,697.04

Finding the Fourth Proportional to 117,255.62, 175,738.94 and 66,697.04

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Solution

The fourth proportional to 117,255.62, 175,738.94 and 66,697.04 is: 99,963.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,255.62 : 175,738.94 = 66,697.04 : x
  2. Step 2: Convert to fraction form
    117,255.62/175,738.94 = 66,697.04/x
  3. Step 3: Cross multiply
    117,255.62x = 175,738.94 × 66,697.04
  4. Step 4: Simplify right side
    117,255.62x = 11,721,267,110.74
  5. Step 5: Solve for x
    x = 11,721,267,110.74/117,255.62
  6. Step 6: Final answer
    x = 99,963.37

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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.