Finding the Fourth Proportional to 73,286.40, 101,135.68 and 39,752.48
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Solution
The fourth proportional to 73,286.40, 101,135.68 and 39,752.48 is: 54,858.67
Step by Step Solution
- Step 1: Write the proportion equation
73,286.40 : 101,135.68 = 39,752.48 : x - Step 2: Convert to fraction form
73,286.40/101,135.68 = 39,752.48/x - Step 3: Cross multiply
73,286.40x = 101,135.68 × 39,752.48 - Step 4: Simplify right side
73,286.40x = 4,020,394,096.49 - Step 5: Solve for x
x = 4,020,394,096.49/73,286.40 - Step 6: Final answer
x = 54,858.67
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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.