Home / 80,195.23-110,665.47-45,741.33

Finding the Fourth Proportional to 80,195.23, 110,665.47 and 45,741.33

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Solution

The fourth proportional to 80,195.23, 110,665.47 and 45,741.33 is: 63,120.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,195.23 : 110,665.47 = 45,741.33 : x
  2. Step 2: Convert to fraction form
    80,195.23/110,665.47 = 45,741.33/x
  3. Step 3: Cross multiply
    80,195.23x = 110,665.47 × 45,741.33
  4. Step 4: Simplify right side
    80,195.23x = 5,061,985,539.41
  5. Step 5: Solve for x
    x = 5,061,985,539.41/80,195.23
  6. Step 6: Final answer
    x = 63,120.78

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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.