Finding the Fourth Proportional to 125,749.26, 173,530.62 and 71,311.41
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Solution
The fourth proportional to 125,749.26, 173,530.62 and 71,311.41 is: 98,407.84
Step by Step Solution
- Step 1: Write the proportion equation
125,749.26 : 173,530.62 = 71,311.41 : x - Step 2: Convert to fraction form
125,749.26/173,530.62 = 71,311.41/x - Step 3: Cross multiply
125,749.26x = 173,530.62 × 71,311.41 - Step 4: Simplify right side
125,749.26x = 12,374,713,190.37 - Step 5: Solve for x
x = 12,374,713,190.37/125,749.26 - Step 6: Final answer
x = 98,407.84
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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.