Finding the Fourth Proportional to 125,572.81, 173,289.77 and 68,982.97
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Solution
The fourth proportional to 125,572.81, 173,289.77 and 68,982.97 is: 95,196.11
Step by Step Solution
- Step 1: Write the proportion equation
125,572.81 : 173,289.77 = 68,982.97 : x - Step 2: Convert to fraction form
125,572.81/173,289.77 = 68,982.97/x - Step 3: Cross multiply
125,572.81x = 173,289.77 × 68,982.97 - Step 4: Simplify right side
125,572.81x = 11,954,042,660.30 - Step 5: Solve for x
x = 11,954,042,660.30/125,572.81 - Step 6: Final answer
x = 95,196.11
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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.