Finding the Fourth Proportional to 125,583.48, 173,305.26 and 68,994.90
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Solution
The fourth proportional to 125,583.48, 173,305.26 and 68,994.90 is: 95,212.99
Step by Step Solution
- Step 1: Write the proportion equation
125,583.48 : 173,305.26 = 68,994.90 : x - Step 2: Convert to fraction form
125,583.48/173,305.26 = 68,994.90/x - Step 3: Cross multiply
125,583.48x = 173,305.26 × 68,994.90 - Step 4: Simplify right side
125,583.48x = 11,957,179,083.17 - Step 5: Solve for x
x = 11,957,179,083.17/125,583.48 - Step 6: Final answer
x = 95,212.99
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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.