Finding the Fourth Proportional to 96,213.86, 132,771.21 and 53,190.62
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Solution
The fourth proportional to 96,213.86, 132,771.21 and 53,190.62 is: 73,400.88
Step by Step Solution
- Step 1: Write the proportion equation
96,213.86 : 132,771.21 = 53,190.62 : x - Step 2: Convert to fraction form
96,213.86/132,771.21 = 53,190.62/x - Step 3: Cross multiply
96,213.86x = 132,771.21 × 53,190.62 - Step 4: Simplify right side
96,213.86x = 7,062,182,314.19 - Step 5: Solve for x
x = 7,062,182,314.19/96,213.86 - Step 6: Final answer
x = 73,400.88
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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.