Finding the Fourth Proportional to 125,626.05, 173,361.96 and 69,036.21
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Solution
The fourth proportional to 125,626.05, 173,361.96 and 69,036.21 is: 95,268.88
Step by Step Solution
- Step 1: Write the proportion equation
125,626.05 : 173,361.96 = 69,036.21 : x - Step 2: Convert to fraction form
125,626.05/173,361.96 = 69,036.21/x - Step 3: Cross multiply
125,626.05x = 173,361.96 × 69,036.21 - Step 4: Simplify right side
125,626.05x = 11,968,252,676.57 - Step 5: Solve for x
x = 11,968,252,676.57/125,626.05 - Step 6: Final answer
x = 95,268.88
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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.