Finding the Fourth Proportional to 80,134.21, 110,675.97 and 54,596.26
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Solution
The fourth proportional to 80,134.21, 110,675.97 and 54,596.26 is: 75,404.67
Step by Step Solution
- Step 1: Write the proportion equation
80,134.21 : 110,675.97 = 54,596.26 : x - Step 2: Convert to fraction form
80,134.21/110,675.97 = 54,596.26/x - Step 3: Cross multiply
80,134.21x = 110,675.97 × 54,596.26 - Step 4: Simplify right side
80,134.21x = 6,042,494,033.87 - Step 5: Solve for x
x = 6,042,494,033.87/80,134.21 - Step 6: Final answer
x = 75,404.67
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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.