Finding the Fourth Proportional to 73, 100.82 and 49.96
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Solution
The fourth proportional to 73, 100.82 and 49.96 is: 69.00
Step by Step Solution
- Step 1: Write the proportion equation
73 : 100.82 = 49.96 : x - Step 2: Convert to fraction form
73/100.82 = 49.96/x - Step 3: Cross multiply
73x = 100.82 × 49.96 - Step 4: Simplify right side
73x = 5,036.97 - Step 5: Solve for x
x = 5,036.97/73 - Step 6: Final answer
x = 69.00
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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.