Home / 76,169.80-114,179.37-36,118.33

Finding the Fourth Proportional to 76,169.80, 114,179.37 and 36,118.33

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Solution

The fourth proportional to 76,169.80, 114,179.37 and 36,118.33 is: 54,141.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,169.80 : 114,179.37 = 36,118.33 : x
  2. Step 2: Convert to fraction form
    76,169.80/114,179.37 = 36,118.33/x
  3. Step 3: Cross multiply
    76,169.80x = 114,179.37 × 36,118.33
  4. Step 4: Simplify right side
    76,169.80x = 4,123,968,164.85
  5. Step 5: Solve for x
    x = 4,123,968,164.85/76,169.80
  6. Step 6: Final answer
    x = 54,141.77

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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.