Home / 69,081.66-95,336.19-40,786.74

Finding the Fourth Proportional to 69,081.66, 95,336.19 and 40,786.74

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Solution

The fourth proportional to 69,081.66, 95,336.19 and 40,786.74 is: 56,287.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,081.66 : 95,336.19 = 40,786.74 : x
  2. Step 2: Convert to fraction form
    69,081.66/95,336.19 = 40,786.74/x
  3. Step 3: Cross multiply
    69,081.66x = 95,336.19 × 40,786.74
  4. Step 4: Simplify right side
    69,081.66x = 3,888,452,394.12
  5. Step 5: Solve for x
    x = 3,888,452,394.12/69,081.66
  6. Step 6: Final answer
    x = 56,287.77

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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.