Finding the Fourth Proportional to 73,705.75, 101,713.84 and 40,171.75
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Solution
The fourth proportional to 73,705.75, 101,713.84 and 40,171.75 is: 55,436.96
Step by Step Solution
- Step 1: Write the proportion equation
73,705.75 : 101,713.84 = 40,171.75 : x - Step 2: Convert to fraction form
73,705.75/101,713.84 = 40,171.75/x - Step 3: Cross multiply
73,705.75x = 101,713.84 × 40,171.75 - Step 4: Simplify right side
73,705.75x = 4,086,022,952.02 - Step 5: Solve for x
x = 4,086,022,952.02/73,705.75 - Step 6: Final answer
x = 55,436.96
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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.