Home / 68,380.17-94,358.23-39,692.22

Finding the Fourth Proportional to 68,380.17, 94,358.23 and 39,692.22

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Solution

The fourth proportional to 68,380.17, 94,358.23 and 39,692.22 is: 54,771.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,380.17 : 94,358.23 = 39,692.22 : x
  2. Step 2: Convert to fraction form
    68,380.17/94,358.23 = 39,692.22/x
  3. Step 3: Cross multiply
    68,380.17x = 94,358.23 × 39,692.22
  4. Step 4: Simplify right side
    68,380.17x = 3,745,287,623.97
  5. Step 5: Solve for x
    x = 3,745,287,623.97/68,380.17
  6. Step 6: Final answer
    x = 54,771.55

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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.