Home / 67,286.43-92,855.43-38,607.12

Finding the Fourth Proportional to 67,286.43, 92,855.43 and 38,607.12

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Solution

The fourth proportional to 67,286.43, 92,855.43 and 38,607.12 is: 53,277.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,286.43 : 92,855.43 = 38,607.12 : x
  2. Step 2: Convert to fraction form
    67,286.43/92,855.43 = 38,607.12/x
  3. Step 3: Cross multiply
    67,286.43x = 92,855.43 × 38,607.12
  4. Step 4: Simplify right side
    67,286.43x = 3,584,880,728.66
  5. Step 5: Solve for x
    x = 3,584,880,728.66/67,286.43
  6. Step 6: Final answer
    x = 53,277.92

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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.