Finding the Fourth Proportional to 79,804.62, 110,129.49 and 45,813.92
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Solution
The fourth proportional to 79,804.62, 110,129.49 and 45,813.92 is: 63,222.69
Step by Step Solution
- Step 1: Write the proportion equation
79,804.62 : 110,129.49 = 45,813.92 : x - Step 2: Convert to fraction form
79,804.62/110,129.49 = 45,813.92/x - Step 3: Cross multiply
79,804.62x = 110,129.49 × 45,813.92 - Step 4: Simplify right side
79,804.62x = 5,045,463,093.85 - Step 5: Solve for x
x = 5,045,463,093.85/79,804.62 - Step 6: Final answer
x = 63,222.69
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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.