Finding the Fourth Proportional to 71,775.63, 107,663.49 and 32,286.62
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Solution
The fourth proportional to 71,775.63, 107,663.49 and 32,286.62 is: 48,429.94
Step by Step Solution
- Step 1: Write the proportion equation
71,775.63 : 107,663.49 = 32,286.62 : x - Step 2: Convert to fraction form
71,775.63/107,663.49 = 32,286.62/x - Step 3: Cross multiply
71,775.63x = 107,663.49 × 32,286.62 - Step 4: Simplify right side
71,775.63x = 3,476,089,489.75 - Step 5: Solve for x
x = 3,476,089,489.75/71,775.63 - Step 6: Final answer
x = 48,429.94
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1.5x scale
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.