Home / 67,128.11-92,634.30-36,911.63

Finding the Fourth Proportional to 67,128.11, 92,634.30 and 36,911.63

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Solution

The fourth proportional to 67,128.11, 92,634.30 and 36,911.63 is: 50,936.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,128.11 : 92,634.30 = 36,911.63 : x
  2. Step 2: Convert to fraction form
    67,128.11/92,634.30 = 36,911.63/x
  3. Step 3: Cross multiply
    67,128.11x = 92,634.30 × 36,911.63
  4. Step 4: Simplify right side
    67,128.11x = 3,419,283,238.49
  5. Step 5: Solve for x
    x = 3,419,283,238.49/67,128.11
  6. Step 6: Final answer
    x = 50,936.68

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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.