Home / 68,517.42-94,553.49-38,302.80

Finding the Fourth Proportional to 68,517.42, 94,553.49 and 38,302.80

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Solution

The fourth proportional to 68,517.42, 94,553.49 and 38,302.80 is: 52,857.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,517.42 : 94,553.49 = 38,302.80 : x
  2. Step 2: Convert to fraction form
    68,517.42/94,553.49 = 38,302.80/x
  3. Step 3: Cross multiply
    68,517.42x = 94,553.49 × 38,302.80
  4. Step 4: Simplify right side
    68,517.42x = 3,621,663,416.77
  5. Step 5: Solve for x
    x = 3,621,663,416.77/68,517.42
  6. Step 6: Final answer
    x = 52,857.56

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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.