Finding the Fourth Proportional to 68,698.62, 103,086.20 and 37,107.99
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Solution
The fourth proportional to 68,698.62, 103,086.20 and 37,107.99 is: 55,682.66
Step by Step Solution
- Step 1: Write the proportion equation
68,698.62 : 103,086.20 = 37,107.99 : x - Step 2: Convert to fraction form
68,698.62/103,086.20 = 37,107.99/x - Step 3: Cross multiply
68,698.62x = 103,086.20 × 37,107.99 - Step 4: Simplify right side
68,698.62x = 3,825,321,678.74 - Step 5: Solve for x
x = 3,825,321,678.74/68,698.62 - Step 6: Final answer
x = 55,682.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.