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Finding the Fourth Proportional to 68,692.68, 94,794.84 and 38,479.08

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Solution

The fourth proportional to 68,692.68, 94,794.84 and 38,479.08 is: 53,100.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,692.68 : 94,794.84 = 38,479.08 : x
  2. Step 2: Convert to fraction form
    68,692.68/94,794.84 = 38,479.08/x
  3. Step 3: Cross multiply
    68,692.68x = 94,794.84 × 38,479.08
  4. Step 4: Simplify right side
    68,692.68x = 3,647,618,231.95
  5. Step 5: Solve for x
    x = 3,647,618,231.95/68,692.68
  6. Step 6: Final answer
    x = 53,100.54

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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.