Home / 67,149.67-92,660.12-36,934.51

Finding the Fourth Proportional to 67,149.67, 92,660.12 and 36,934.51

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Solution

The fourth proportional to 67,149.67, 92,660.12 and 36,934.51 is: 50,966.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,149.67 : 92,660.12 = 36,934.51 : x
  2. Step 2: Convert to fraction form
    67,149.67/92,660.12 = 36,934.51/x
  3. Step 3: Cross multiply
    67,149.67x = 92,660.12 × 36,934.51
  4. Step 4: Simplify right side
    67,149.67x = 3,422,355,944.07
  5. Step 5: Solve for x
    x = 3,422,355,944.07/67,149.67
  6. Step 6: Final answer
    x = 50,966.09

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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.