Home / 123,721.22-185,544.80-64,524.60

Finding the Fourth Proportional to 123,721.22, 185,544.80 and 64,524.60

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Solution

The fourth proportional to 123,721.22, 185,544.80 and 64,524.60 is: 96,767.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,721.22 : 185,544.80 = 64,524.60 : x
  2. Step 2: Convert to fraction form
    123,721.22/185,544.80 = 64,524.60/x
  3. Step 3: Cross multiply
    123,721.22x = 185,544.80 × 64,524.60
  4. Step 4: Simplify right side
    123,721.22x = 11,972,203,074.36
  5. Step 5: Solve for x
    x = 11,972,203,074.36/123,721.22
  6. Step 6: Final answer
    x = 96,767.58

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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.