Finding the Fourth Proportional to 73,861.97, 101,917.50 and 43,643.09
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Solution
The fourth proportional to 73,861.97, 101,917.50 and 43,643.09 is: 60,220.36
Step by Step Solution
- Step 1: Write the proportion equation
73,861.97 : 101,917.50 = 43,643.09 : x - Step 2: Convert to fraction form
73,861.97/101,917.50 = 43,643.09/x - Step 3: Cross multiply
73,861.97x = 101,917.50 × 43,643.09 - Step 4: Simplify right side
73,861.97x = 4,447,994,625.08 - Step 5: Solve for x
x = 4,447,994,625.08/73,861.97 - Step 6: Final answer
x = 60,220.36
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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.