Home / 68,633.99-94,716.51-38,418.56

Finding the Fourth Proportional to 68,633.99, 94,716.51 and 38,418.56

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Solution

The fourth proportional to 68,633.99, 94,716.51 and 38,418.56 is: 53,018.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,633.99 : 94,716.51 = 38,418.56 : x
  2. Step 2: Convert to fraction form
    68,633.99/94,716.51 = 38,418.56/x
  3. Step 3: Cross multiply
    68,633.99x = 94,716.51 × 38,418.56
  4. Step 4: Simplify right side
    68,633.99x = 3,638,871,922.43
  5. Step 5: Solve for x
    x = 3,638,871,922.43/68,633.99
  6. Step 6: Final answer
    x = 53,018.51

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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.