Finding the Fourth Proportional to 117,063.97, 161,562.58 and 71,748.41
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Solution
The fourth proportional to 117,063.97, 161,562.58 and 71,748.41 is: 99,021.56
Step by Step Solution
- Step 1: Write the proportion equation
117,063.97 : 161,562.58 = 71,748.41 : x - Step 2: Convert to fraction form
117,063.97/161,562.58 = 71,748.41/x - Step 3: Cross multiply
117,063.97x = 161,562.58 × 71,748.41 - Step 4: Simplify right side
117,063.97x = 11,591,857,243.31 - Step 5: Solve for x
x = 11,591,857,243.31/117,063.97 - Step 6: Final answer
x = 99,021.56
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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.