Finding the Fourth Proportional to 71,472.68, 107,092.36 and 68,742.44
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Solution
The fourth proportional to 71,472.68, 107,092.36 and 68,742.44 is: 103,001.46
Step by Step Solution
- Step 1: Write the proportion equation
71,472.68 : 107,092.36 = 68,742.44 : x - Step 2: Convert to fraction form
71,472.68/107,092.36 = 68,742.44/x - Step 3: Cross multiply
71,472.68x = 107,092.36 × 68,742.44 - Step 4: Simplify right side
71,472.68x = 7,361,790,131.76 - Step 5: Solve for x
x = 7,361,790,131.76/71,472.68 - Step 6: Final answer
x = 103,001.46
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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.