Home / 68,344.22-94,317.36-39,661.68

Finding the Fourth Proportional to 68,344.22, 94,317.36 and 39,661.68

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Solution

The fourth proportional to 68,344.22, 94,317.36 and 39,661.68 is: 54,734.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,344.22 : 94,317.36 = 39,661.68 : x
  2. Step 2: Convert to fraction form
    68,344.22/94,317.36 = 39,661.68/x
  3. Step 3: Cross multiply
    68,344.22x = 94,317.36 × 39,661.68
  4. Step 4: Simplify right side
    68,344.22x = 3,740,784,950.76
  5. Step 5: Solve for x
    x = 3,740,784,950.76/68,344.22
  6. Step 6: Final answer
    x = 54,734.47

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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.