Home / 79,186.44-109,278.96-43,377.96

Finding the Fourth Proportional to 79,186.44, 109,278.96 and 43,377.96

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Solution

The fourth proportional to 79,186.44, 109,278.96 and 43,377.96 is: 59,862.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,186.44 : 109,278.96 = 43,377.96 : x
  2. Step 2: Convert to fraction form
    79,186.44/109,278.96 = 43,377.96/x
  3. Step 3: Cross multiply
    79,186.44x = 109,278.96 × 43,377.96
  4. Step 4: Simplify right side
    79,186.44x = 4,740,298,355.72
  5. Step 5: Solve for x
    x = 4,740,298,355.72/79,186.44
  6. Step 6: Final answer
    x = 59,862.50

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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.