Finding the Fourth Proportional to 125,430.36, 173,093.94 and 71,716.44
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Solution
The fourth proportional to 125,430.36, 173,093.94 and 71,716.44 is: 98,968.71
Step by Step Solution
- Step 1: Write the proportion equation
125,430.36 : 173,093.94 = 71,716.44 : x - Step 2: Convert to fraction form
125,430.36/173,093.94 = 71,716.44/x - Step 3: Cross multiply
125,430.36x = 173,093.94 × 71,716.44 - Step 4: Simplify right side
125,430.36x = 12,413,681,162.37 - Step 5: Solve for x
x = 12,413,681,162.37/125,430.36 - Step 6: Final answer
x = 98,968.71
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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.