Home / 55,069-75,995.22-29,919.04

Finding the Fourth Proportional to 55,069, 75,995.22 and 29,919.04

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Solution

The fourth proportional to 55,069, 75,995.22 and 29,919.04 is: 41,288.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,069 : 75,995.22 = 29,919.04 : x
  2. Step 2: Convert to fraction form
    55,069/75,995.22 = 29,919.04/x
  3. Step 3: Cross multiply
    55,069x = 75,995.22 × 29,919.04
  4. Step 4: Simplify right side
    55,069x = 2,273,704,026.99
  5. Step 5: Solve for x
    x = 2,273,704,026.99/55,069
  6. Step 6: Final answer
    x = 41,288.28

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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.