Finding the Fourth Proportional to 79,393.10, 118,933.94 and 46,043.09
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Solution
The fourth proportional to 79,393.10, 118,933.94 and 46,043.09 is: 68,974.33
Step by Step Solution
- Step 1: Write the proportion equation
79,393.10 : 118,933.94 = 46,043.09 : x - Step 2: Convert to fraction form
79,393.10/118,933.94 = 46,043.09/x - Step 3: Cross multiply
79,393.10x = 118,933.94 × 46,043.09 - Step 4: Simplify right side
79,393.10x = 5,476,085,873.26 - Step 5: Solve for x
x = 5,476,085,873.26/79,393.10 - Step 6: Final answer
x = 68,974.33
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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.