Home / 79,472.11-109,673.45-43,664.44

Finding the Fourth Proportional to 79,472.11, 109,673.45 and 43,664.44

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Solution

The fourth proportional to 79,472.11, 109,673.45 and 43,664.44 is: 60,257.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,472.11 : 109,673.45 = 43,664.44 : x
  2. Step 2: Convert to fraction form
    79,472.11/109,673.45 = 43,664.44/x
  3. Step 3: Cross multiply
    79,472.11x = 109,673.45 × 43,664.44
  4. Step 4: Simplify right side
    79,472.11x = 4,788,829,777.12
  5. Step 5: Solve for x
    x = 4,788,829,777.12/79,472.11
  6. Step 6: Final answer
    x = 60,257.99

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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.