Finding the Fourth Proportional to 97,614.92, 134,608.02 and 83,514.44
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Solution
The fourth proportional to 97,614.92, 134,608.02 and 83,514.44 is: 115,163.88
Step by Step Solution
- Step 1: Write the proportion equation
97,614.92 : 134,608.02 = 83,514.44 : x - Step 2: Convert to fraction form
97,614.92/134,608.02 = 83,514.44/x - Step 3: Cross multiply
97,614.92x = 134,608.02 × 83,514.44 - Step 4: Simplify right side
97,614.92x = 11,241,713,409.81 - Step 5: Solve for x
x = 11,241,713,409.81/97,614.92 - Step 6: Final answer
x = 115,163.88
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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.