Home / 67,039.92-92,512.10-40,197.24

Finding the Fourth Proportional to 67,039.92, 92,512.10 and 40,197.24

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Solution

The fourth proportional to 67,039.92, 92,512.10 and 40,197.24 is: 55,470.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,039.92 : 92,512.10 = 40,197.24 : x
  2. Step 2: Convert to fraction form
    67,039.92/92,512.10 = 40,197.24/x
  3. Step 3: Cross multiply
    67,039.92x = 92,512.10 × 40,197.24
  4. Step 4: Simplify right side
    67,039.92x = 3,718,731,086.60
  5. Step 5: Solve for x
    x = 3,718,731,086.60/67,039.92
  6. Step 6: Final answer
    x = 55,470.40

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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.