Finding the Fourth Proportional to 75,235.92, 112,872.60 and 22,644.24
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Solution
The fourth proportional to 75,235.92, 112,872.60 and 22,644.24 is: 33,971.99
Step by Step Solution
- Step 1: Write the proportion equation
75,235.92 : 112,872.60 = 22,644.24 : x - Step 2: Convert to fraction form
75,235.92/112,872.60 = 22,644.24/x - Step 3: Cross multiply
75,235.92x = 112,872.60 × 22,644.24 - Step 4: Simplify right side
75,235.92x = 2,555,914,243.82 - Step 5: Solve for x
x = 2,555,914,243.82/75,235.92 - Step 6: Final answer
x = 33,971.99
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1.5x scale
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.