Home / 79,181.21-109,270.08-43,371.32

Finding the Fourth Proportional to 79,181.21, 109,270.08 and 43,371.32

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Solution

The fourth proportional to 79,181.21, 109,270.08 and 43,371.32 is: 59,852.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,181.21 : 109,270.08 = 43,371.32 : x
  2. Step 2: Convert to fraction form
    79,181.21/109,270.08 = 43,371.32/x
  3. Step 3: Cross multiply
    79,181.21x = 109,270.08 × 43,371.32
  4. Step 4: Simplify right side
    79,181.21x = 4,739,187,059.76
  5. Step 5: Solve for x
    x = 4,739,187,059.76/79,181.21
  6. Step 6: Final answer
    x = 59,852.42

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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.