Finding the Fourth Proportional to 125,640.80, 173,382.36 and 69,050.96
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Solution
The fourth proportional to 125,640.80, 173,382.36 and 69,050.96 is: 95,289.26
Step by Step Solution
- Step 1: Write the proportion equation
125,640.80 : 173,382.36 = 69,050.96 : x - Step 2: Convert to fraction form
125,640.80/173,382.36 = 69,050.96/x - Step 3: Cross multiply
125,640.80x = 173,382.36 × 69,050.96 - Step 4: Simplify right side
125,640.80x = 11,972,218,405.07 - Step 5: Solve for x
x = 11,972,218,405.07/125,640.80 - Step 6: Final answer
x = 95,289.26
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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.