Home / 79,757.10-119,635.83-74,885.58

Finding the Fourth Proportional to 79,757.10, 119,635.83 and 74,885.58

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Solution

The fourth proportional to 79,757.10, 119,635.83 and 74,885.58 is: 112,328.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,757.10 : 119,635.83 = 74,885.58 : x
  2. Step 2: Convert to fraction form
    79,757.10/119,635.83 = 74,885.58/x
  3. Step 3: Cross multiply
    79,757.10x = 119,635.83 × 74,885.58
  4. Step 4: Simplify right side
    79,757.10x = 8,958,998,518.33
  5. Step 5: Solve for x
    x = 8,958,998,518.33/79,757.10
  6. Step 6: Final answer
    x = 112,328.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.