Home / 81,769.08-122,705.46-44,354.64

Finding the Fourth Proportional to 81,769.08, 122,705.46 and 44,354.64

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Solution

The fourth proportional to 81,769.08, 122,705.46 and 44,354.64 is: 66,560.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,769.08 : 122,705.46 = 44,354.64 : x
  2. Step 2: Convert to fraction form
    81,769.08/122,705.46 = 44,354.64/x
  3. Step 3: Cross multiply
    81,769.08x = 122,705.46 × 44,354.64
  4. Step 4: Simplify right side
    81,769.08x = 5,442,556,504.33
  5. Step 5: Solve for x
    x = 5,442,556,504.33/81,769.08
  6. Step 6: Final answer
    x = 66,560.08

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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.