Home / 67,288.23-92,853.32-40,414.77

Finding the Fourth Proportional to 67,288.23, 92,853.32 and 40,414.77

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Solution

The fourth proportional to 67,288.23, 92,853.32 and 40,414.77 is: 55,769.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,288.23 : 92,853.32 = 40,414.77 : x
  2. Step 2: Convert to fraction form
    67,288.23/92,853.32 = 40,414.77/x
  3. Step 3: Cross multiply
    67,288.23x = 92,853.32 × 40,414.77
  4. Step 4: Simplify right side
    67,288.23x = 3,752,645,369.46
  5. Step 5: Solve for x
    x = 3,752,645,369.46/67,288.23
  6. Step 6: Final answer
    x = 55,769.71

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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.