Home / 67,128.13-92,634.84-36,913.42

Finding the Fourth Proportional to 67,128.13, 92,634.84 and 36,913.42

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Solution

The fourth proportional to 67,128.13, 92,634.84 and 36,913.42 is: 50,939.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,128.13 : 92,634.84 = 36,913.42 : x
  2. Step 2: Convert to fraction form
    67,128.13/92,634.84 = 36,913.42/x
  3. Step 3: Cross multiply
    67,128.13x = 92,634.84 × 36,913.42
  4. Step 4: Simplify right side
    67,128.13x = 3,419,468,292.38
  5. Step 5: Solve for x
    x = 3,419,468,292.38/67,128.13
  6. Step 6: Final answer
    x = 50,939.43

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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.