Home / 116,879.04-161,295.84-66,576.96

Finding the Fourth Proportional to 116,879.04, 161,295.84 and 66,576.96

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Solution

The fourth proportional to 116,879.04, 161,295.84 and 66,576.96 is: 91,877.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,879.04 : 161,295.84 = 66,576.96 : x
  2. Step 2: Convert to fraction form
    116,879.04/161,295.84 = 66,576.96/x
  3. Step 3: Cross multiply
    116,879.04x = 161,295.84 × 66,576.96
  4. Step 4: Simplify right side
    116,879.04x = 10,738,586,687.85
  5. Step 5: Solve for x
    x = 10,738,586,687.85/116,879.04
  6. Step 6: Final answer
    x = 91,877.78

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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.