Finding the Fourth Proportional to 104,983.26, 144,879.08 and 59,043.79
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Solution
The fourth proportional to 104,983.26, 144,879.08 and 59,043.79 is: 81,481.65
Step by Step Solution
- Step 1: Write the proportion equation
104,983.26 : 144,879.08 = 59,043.79 : x - Step 2: Convert to fraction form
104,983.26/144,879.08 = 59,043.79/x - Step 3: Cross multiply
104,983.26x = 144,879.08 × 59,043.79 - Step 4: Simplify right side
104,983.26x = 8,554,209,377.97 - Step 5: Solve for x
x = 8,554,209,377.97/104,983.26 - Step 6: Final answer
x = 81,481.65
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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.