Finding the Fourth Proportional to 126,035.64, 173,927.79 and 71,587.44
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Solution
The fourth proportional to 126,035.64, 173,927.79 and 71,587.44 is: 98,789.88
Step by Step Solution
- Step 1: Write the proportion equation
126,035.64 : 173,927.79 = 71,587.44 : x - Step 2: Convert to fraction form
126,035.64/173,927.79 = 71,587.44/x - Step 3: Cross multiply
126,035.64x = 173,927.79 × 71,587.44 - Step 4: Simplify right side
126,035.64x = 12,451,045,230.96 - Step 5: Solve for x
x = 12,451,045,230.96/126,035.64 - Step 6: Final answer
x = 98,789.88
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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.