Home / 68,415.24-94,414.64-38,199.54

Finding the Fourth Proportional to 68,415.24, 94,414.64 and 38,199.54

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Solution

The fourth proportional to 68,415.24, 94,414.64 and 38,199.54 is: 52,716.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,415.24 : 94,414.64 = 38,199.54 : x
  2. Step 2: Convert to fraction form
    68,415.24/94,414.64 = 38,199.54/x
  3. Step 3: Cross multiply
    68,415.24x = 94,414.64 × 38,199.54
  4. Step 4: Simplify right side
    68,415.24x = 3,606,595,626.27
  5. Step 5: Solve for x
    x = 3,606,595,626.27/68,415.24
  6. Step 6: Final answer
    x = 52,716.26

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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.