Home / 68,234.07-94,163.21-39,559.30

Finding the Fourth Proportional to 68,234.07, 94,163.21 and 39,559.30

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Solution

The fourth proportional to 68,234.07, 94,163.21 and 39,559.30 is: 54,591.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,234.07 : 94,163.21 = 39,559.30 : x
  2. Step 2: Convert to fraction form
    68,234.07/94,163.21 = 39,559.30/x
  3. Step 3: Cross multiply
    68,234.07x = 94,163.21 × 39,559.30
  4. Step 4: Simplify right side
    68,234.07x = 3,725,030,673.35
  5. Step 5: Solve for x
    x = 3,725,030,673.35/68,234.07
  6. Step 6: Final answer
    x = 54,591.95

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1.5x scale

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.