Finding the Fourth Proportional to 75,703.28, 113,571.52 and 22,391.08
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Solution
The fourth proportional to 75,703.28, 113,571.52 and 22,391.08 is: 33,591.54
Step by Step Solution
- Step 1: Write the proportion equation
75,703.28 : 113,571.52 = 22,391.08 : x - Step 2: Convert to fraction form
75,703.28/113,571.52 = 22,391.08/x - Step 3: Cross multiply
75,703.28x = 113,571.52 × 22,391.08 - Step 4: Simplify right side
75,703.28x = 2,542,989,288.97 - Step 5: Solve for x
x = 2,542,989,288.97/75,703.28 - Step 6: Final answer
x = 33,591.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.