Finding the Fourth Proportional to 75,771.30, 104,557.26 and 43,936.75
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Solution
The fourth proportional to 75,771.30, 104,557.26 and 43,936.75 is: 60,628.58
Step by Step Solution
- Step 1: Write the proportion equation
75,771.30 : 104,557.26 = 43,936.75 : x - Step 2: Convert to fraction form
75,771.30/104,557.26 = 43,936.75/x - Step 3: Cross multiply
75,771.30x = 104,557.26 × 43,936.75 - Step 4: Simplify right side
75,771.30x = 4,593,906,193.31 - Step 5: Solve for x
x = 4,593,906,193.31/75,771.30 - Step 6: Final answer
x = 60,628.58
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1.5x scale
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.