Finding the Fourth Proportional to 125,676.30, 173,428.88 and 69,087.26
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Solution
The fourth proportional to 125,676.30, 173,428.88 and 69,087.26 is: 95,337.99
Step by Step Solution
- Step 1: Write the proportion equation
125,676.30 : 173,428.88 = 69,087.26 : x - Step 2: Convert to fraction form
125,676.30/173,428.88 = 69,087.26/x - Step 3: Cross multiply
125,676.30x = 173,428.88 × 69,087.26 - Step 4: Simplify right side
125,676.30x = 11,981,726,124.07 - Step 5: Solve for x
x = 11,981,726,124.07/125,676.30 - Step 6: Final answer
x = 95,337.99
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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.