Home / 68,682.17-94,780.37-38,468.54

Finding the Fourth Proportional to 68,682.17, 94,780.37 and 38,468.54

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Solution

The fourth proportional to 68,682.17, 94,780.37 and 38,468.54 is: 53,086.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,682.17 : 94,780.37 = 38,468.54 : x
  2. Step 2: Convert to fraction form
    68,682.17/94,780.37 = 38,468.54/x
  3. Step 3: Cross multiply
    68,682.17x = 94,780.37 × 38,468.54
  4. Step 4: Simplify right side
    68,682.17x = 3,646,061,788.32
  5. Step 5: Solve for x
    x = 3,646,061,788.32/68,682.17
  6. Step 6: Final answer
    x = 53,086.01

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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.