Home / 67,129.16-92,640.27-36,912.92

Finding the Fourth Proportional to 67,129.16, 92,640.27 and 36,912.92

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Solution

The fourth proportional to 67,129.16, 92,640.27 and 36,912.92 is: 50,940.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,129.16 : 92,640.27 = 36,912.92 : x
  2. Step 2: Convert to fraction form
    67,129.16/92,640.27 = 36,912.92/x
  3. Step 3: Cross multiply
    67,129.16x = 92,640.27 × 36,912.92
  4. Step 4: Simplify right side
    67,129.16x = 3,419,622,875.29
  5. Step 5: Solve for x
    x = 3,419,622,875.29/67,129.16
  6. Step 6: Final answer
    x = 50,940.95

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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.