Home / 79,635.96-119,429.64-27,033.75

Finding the Fourth Proportional to 79,635.96, 119,429.64 and 27,033.75

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Solution

The fourth proportional to 79,635.96, 119,429.64 and 27,033.75 is: 40,542.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,635.96 : 119,429.64 = 27,033.75 : x
  2. Step 2: Convert to fraction form
    79,635.96/119,429.64 = 27,033.75/x
  3. Step 3: Cross multiply
    79,635.96x = 119,429.64 × 27,033.75
  4. Step 4: Simplify right side
    79,635.96x = 3,228,631,030.35
  5. Step 5: Solve for x
    x = 3,228,631,030.35/79,635.96
  6. Step 6: Final answer
    x = 40,542.38

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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.