Finding the Fourth Proportional to 125,679.74, 173,441.36 and 68,322.92
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Solution
The fourth proportional to 125,679.74, 173,441.36 and 68,322.92 is: 94,287.43
Step by Step Solution
- Step 1: Write the proportion equation
125,679.74 : 173,441.36 = 68,322.92 : x - Step 2: Convert to fraction form
125,679.74/173,441.36 = 68,322.92/x - Step 3: Cross multiply
125,679.74x = 173,441.36 × 68,322.92 - Step 4: Simplify right side
125,679.74x = 11,850,020,163.97 - Step 5: Solve for x
x = 11,850,020,163.97/125,679.74 - Step 6: Final answer
x = 94,287.43
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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.