Home / 80,921.96-111,668.10-44,629.37

Finding the Fourth Proportional to 80,921.96, 111,668.10 and 44,629.37

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Solution

The fourth proportional to 80,921.96, 111,668.10 and 44,629.37 is: 61,586.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,921.96 : 111,668.10 = 44,629.37 : x
  2. Step 2: Convert to fraction form
    80,921.96/111,668.10 = 44,629.37/x
  3. Step 3: Cross multiply
    80,921.96x = 111,668.10 × 44,629.37
  4. Step 4: Simplify right side
    80,921.96x = 4,983,676,393.76
  5. Step 5: Solve for x
    x = 4,983,676,393.76/80,921.96
  6. Step 6: Final answer
    x = 61,586.21

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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.