Home / 68,189.87-94,104.32-39,123.27

Finding the Fourth Proportional to 68,189.87, 94,104.32 and 39,123.27

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Solution

The fourth proportional to 68,189.87, 94,104.32 and 39,123.27 is: 53,991.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,189.87 : 94,104.32 = 39,123.27 : x
  2. Step 2: Convert to fraction form
    68,189.87/94,104.32 = 39,123.27/x
  3. Step 3: Cross multiply
    68,189.87x = 94,104.32 × 39,123.27
  4. Step 4: Simplify right side
    68,189.87x = 3,681,668,523.91
  5. Step 5: Solve for x
    x = 3,681,668,523.91/68,189.87
  6. Step 6: Final answer
    x = 53,991.43

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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.