Home / 79,554.84-109,788.18-43,747.44

Finding the Fourth Proportional to 79,554.84, 109,788.18 and 43,747.44

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Solution

The fourth proportional to 79,554.84, 109,788.18 and 43,747.44 is: 60,372.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,554.84 : 109,788.18 = 43,747.44 : x
  2. Step 2: Convert to fraction form
    79,554.84/109,788.18 = 43,747.44/x
  3. Step 3: Cross multiply
    79,554.84x = 109,788.18 × 43,747.44
  4. Step 4: Simplify right side
    79,554.84x = 4,802,951,817.26
  5. Step 5: Solve for x
    x = 4,802,951,817.26/79,554.84
  6. Step 6: Final answer
    x = 60,372.84

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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.