Home / 68,650.11-94,736.68-38,435.31

Finding the Fourth Proportional to 68,650.11, 94,736.68 and 38,435.31

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Solution

The fourth proportional to 68,650.11, 94,736.68 and 38,435.31 is: 53,040.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,650.11 : 94,736.68 = 38,435.31 : x
  2. Step 2: Convert to fraction form
    68,650.11/94,736.68 = 38,435.31/x
  3. Step 3: Cross multiply
    68,650.11x = 94,736.68 × 38,435.31
  4. Step 4: Simplify right side
    68,650.11x = 3,641,233,664.17
  5. Step 5: Solve for x
    x = 3,641,233,664.17/68,650.11
  6. Step 6: Final answer
    x = 53,040.46

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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.