Home / 55,069.88-75,996.43-29,919.38

Finding the Fourth Proportional to 55,069.88, 75,996.43 and 29,919.38

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Solution

The fourth proportional to 55,069.88, 75,996.43 and 29,919.38 is: 41,288.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,069.88 : 75,996.43 = 29,919.38 : x
  2. Step 2: Convert to fraction form
    55,069.88/75,996.43 = 29,919.38/x
  3. Step 3: Cross multiply
    55,069.88x = 75,996.43 × 29,919.38
  4. Step 4: Simplify right side
    55,069.88x = 2,273,765,613.03
  5. Step 5: Solve for x
    x = 2,273,765,613.03/55,069.88
  6. Step 6: Final answer
    x = 41,288.74

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1.5x scale

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.