Finding the Fourth Proportional to 125,896.62, 173,741.58 and 68,538.03
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Solution
The fourth proportional to 125,896.62, 173,741.58 and 68,538.03 is: 94,584.79
Step by Step Solution
- Step 1: Write the proportion equation
125,896.62 : 173,741.58 = 68,538.03 : x - Step 2: Convert to fraction form
125,896.62/173,741.58 = 68,538.03/x - Step 3: Cross multiply
125,896.62x = 173,741.58 × 68,538.03 - Step 4: Simplify right side
125,896.62x = 11,907,905,622.29 - Step 5: Solve for x
x = 11,907,905,622.29/125,896.62 - Step 6: Final answer
x = 94,584.79
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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.