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Finding the Fourth Proportional to 69,476.58, 95,879.22 and 40,804.44

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Solution

The fourth proportional to 69,476.58, 95,879.22 and 40,804.44 is: 56,311.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,476.58 : 95,879.22 = 40,804.44 : x
  2. Step 2: Convert to fraction form
    69,476.58/95,879.22 = 40,804.44/x
  3. Step 3: Cross multiply
    69,476.58x = 95,879.22 × 40,804.44
  4. Step 4: Simplify right side
    69,476.58x = 3,912,297,879.74
  5. Step 5: Solve for x
    x = 3,912,297,879.74/69,476.58
  6. Step 6: Final answer
    x = 56,311.03

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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.