Finding the Fourth Proportional to 125,879.08, 188,773.64 and 41,623.68
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Solution
The fourth proportional to 125,879.08, 188,773.64 and 41,623.68 is: 62,420.65
Step by Step Solution
- Step 1: Write the proportion equation
125,879.08 : 188,773.64 = 41,623.68 : x - Step 2: Convert to fraction form
125,879.08/188,773.64 = 41,623.68/x - Step 3: Cross multiply
125,879.08x = 188,773.64 × 41,623.68 - Step 4: Simplify right side
125,879.08x = 7,857,453,583.80 - Step 5: Solve for x
x = 7,857,453,583.80/125,879.08 - Step 6: Final answer
x = 62,420.65
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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.