Finding the Fourth Proportional to 75,872.44, 113,752.50 and 36,391.96
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Solution
The fourth proportional to 75,872.44, 113,752.50 and 36,391.96 is: 54,561.00
Step by Step Solution
- Step 1: Write the proportion equation
75,872.44 : 113,752.50 = 36,391.96 : x - Step 2: Convert to fraction form
75,872.44/113,752.50 = 36,391.96/x - Step 3: Cross multiply
75,872.44x = 113,752.50 × 36,391.96 - Step 4: Simplify right side
75,872.44x = 4,139,676,429.90 - Step 5: Solve for x
x = 4,139,676,429.90/75,872.44 - Step 6: Final answer
x = 54,561.00
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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.