Finding the Fourth Proportional to 76,906.26, 106,137.96 and 46,684.65
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Solution
The fourth proportional to 76,906.26, 106,137.96 and 46,684.65 is: 64,429.26
Step by Step Solution
- Step 1: Write the proportion equation
76,906.26 : 106,137.96 = 46,684.65 : x - Step 2: Convert to fraction form
76,906.26/106,137.96 = 46,684.65/x - Step 3: Cross multiply
76,906.26x = 106,137.96 × 46,684.65 - Step 4: Simplify right side
76,906.26x = 4,955,013,514.31 - Step 5: Solve for x
x = 4,955,013,514.31/76,906.26 - Step 6: Final answer
x = 64,429.26
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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.