Home / 68,480.12-94,531.67-41,631.21

Finding the Fourth Proportional to 68,480.12, 94,531.67 and 41,631.21

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Solution

The fourth proportional to 68,480.12, 94,531.67 and 41,631.21 is: 57,468.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,480.12 : 94,531.67 = 41,631.21 : x
  2. Step 2: Convert to fraction form
    68,480.12/94,531.67 = 41,631.21/x
  3. Step 3: Cross multiply
    68,480.12x = 94,531.67 × 41,631.21
  4. Step 4: Simplify right side
    68,480.12x = 3,935,467,805.42
  5. Step 5: Solve for x
    x = 3,935,467,805.42/68,480.12
  6. Step 6: Final answer
    x = 57,468.76

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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.