Finding the Fourth Proportional to 86,452.48, 119,302.05 and 48,213.19
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Solution
The fourth proportional to 86,452.48, 119,302.05 and 48,213.19 is: 66,532.88
Step by Step Solution
- Step 1: Write the proportion equation
86,452.48 : 119,302.05 = 48,213.19 : x - Step 2: Convert to fraction form
86,452.48/119,302.05 = 48,213.19/x - Step 3: Cross multiply
86,452.48x = 119,302.05 × 48,213.19 - Step 4: Simplify right side
86,452.48x = 5,751,932,462.77 - Step 5: Solve for x
x = 5,751,932,462.77/86,452.48 - Step 6: Final answer
x = 66,532.88
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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.