Home / 79,185.06-109,272.44-43,375.37

Finding the Fourth Proportional to 79,185.06, 109,272.44 and 43,375.37

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Solution

The fourth proportional to 79,185.06, 109,272.44 and 43,375.37 is: 59,856.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,185.06 : 109,272.44 = 43,375.37 : x
  2. Step 2: Convert to fraction form
    79,185.06/109,272.44 = 43,375.37/x
  3. Step 3: Cross multiply
    79,185.06x = 109,272.44 × 43,375.37
  4. Step 4: Simplify right side
    79,185.06x = 4,739,732,077.88
  5. Step 5: Solve for x
    x = 4,739,732,077.88/79,185.06
  6. Step 6: Final answer
    x = 59,856.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.