Home / 75,406.10-104,034.38-48,198.10

Finding the Fourth Proportional to 75,406.10, 104,034.38 and 48,198.10

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Solution

The fourth proportional to 75,406.10, 104,034.38 and 48,198.10 is: 66,496.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,406.10 : 104,034.38 = 48,198.10 : x
  2. Step 2: Convert to fraction form
    75,406.10/104,034.38 = 48,198.10/x
  3. Step 3: Cross multiply
    75,406.10x = 104,034.38 × 48,198.10
  4. Step 4: Simplify right side
    75,406.10x = 5,014,259,209.69
  5. Step 5: Solve for x
    x = 5,014,259,209.69/75,406.10
  6. Step 6: Final answer
    x = 66,496.73

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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.