Home / 67,286.28-92,853.84-38,994.60

Finding the Fourth Proportional to 67,286.28, 92,853.84 and 38,994.60

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Solution

The fourth proportional to 67,286.28, 92,853.84 and 38,994.60 is: 53,811.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,286.28 : 92,853.84 = 38,994.60 : x
  2. Step 2: Convert to fraction form
    67,286.28/92,853.84 = 38,994.60/x
  3. Step 3: Cross multiply
    67,286.28x = 92,853.84 × 38,994.60
  4. Step 4: Simplify right side
    67,286.28x = 3,620,798,349.26
  5. Step 5: Solve for x
    x = 3,620,798,349.26/67,286.28
  6. Step 6: Final answer
    x = 53,811.84

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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.