Home / 73,682.45-110,449.40-42,082.11

Finding the Fourth Proportional to 73,682.45, 110,449.40 and 42,082.11

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Solution

The fourth proportional to 73,682.45, 110,449.40 and 42,082.11 is: 63,080.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,682.45 : 110,449.40 = 42,082.11 : x
  2. Step 2: Convert to fraction form
    73,682.45/110,449.40 = 42,082.11/x
  3. Step 3: Cross multiply
    73,682.45x = 110,449.40 × 42,082.11
  4. Step 4: Simplify right side
    73,682.45x = 4,647,943,589.82
  5. Step 5: Solve for x
    x = 4,647,943,589.82/73,682.45
  6. Step 6: Final answer
    x = 63,080.75

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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.