Home / 67,571.28-93,241.44-39,274.56

Finding the Fourth Proportional to 67,571.28, 93,241.44 and 39,274.56

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Solution

The fourth proportional to 67,571.28, 93,241.44 and 39,274.56 is: 54,194.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,571.28 : 93,241.44 = 39,274.56 : x
  2. Step 2: Convert to fraction form
    67,571.28/93,241.44 = 39,274.56/x
  3. Step 3: Cross multiply
    67,571.28x = 93,241.44 × 39,274.56
  4. Step 4: Simplify right side
    67,571.28x = 3,662,016,529.77
  5. Step 5: Solve for x
    x = 3,662,016,529.77/67,571.28
  6. Step 6: Final answer
    x = 54,194.87

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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.