Home / 67,144.38-92,660.32-36,931.02

Finding the Fourth Proportional to 67,144.38, 92,660.32 and 36,931.02

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Solution

The fourth proportional to 67,144.38, 92,660.32 and 36,931.02 is: 50,965.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,144.38 : 92,660.32 = 36,931.02 : x
  2. Step 2: Convert to fraction form
    67,144.38/92,660.32 = 36,931.02/x
  3. Step 3: Cross multiply
    67,144.38x = 92,660.32 × 36,931.02
  4. Step 4: Simplify right side
    67,144.38x = 3,422,040,131.13
  5. Step 5: Solve for x
    x = 3,422,040,131.13/67,144.38
  6. Step 6: Final answer
    x = 50,965.40

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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.