Home / 67,119.72-100,562.94-35,899.08

Finding the Fourth Proportional to 67,119.72, 100,562.94 and 35,899.08

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Solution

The fourth proportional to 67,119.72, 100,562.94 and 35,899.08 is: 53,786.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,119.72 : 100,562.94 = 35,899.08 : x
  2. Step 2: Convert to fraction form
    67,119.72/100,562.94 = 35,899.08/x
  3. Step 3: Cross multiply
    67,119.72x = 100,562.94 × 35,899.08
  4. Step 4: Simplify right side
    67,119.72x = 3,610,117,028.10
  5. Step 5: Solve for x
    x = 3,610,117,028.10/67,119.72
  6. Step 6: Final answer
    x = 53,786.23

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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.