Finding the Fourth Proportional to 80,763.92, 121,170.70 and 41,348.70
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Solution
The fourth proportional to 80,763.92, 121,170.70 and 41,348.70 is: 62,035.76
Step by Step Solution
- Step 1: Write the proportion equation
80,763.92 : 121,170.70 = 41,348.70 : x - Step 2: Convert to fraction form
80,763.92/121,170.70 = 41,348.70/x - Step 3: Cross multiply
80,763.92x = 121,170.70 × 41,348.70 - Step 4: Simplify right side
80,763.92x = 5,010,250,923.09 - Step 5: Solve for x
x = 5,010,250,923.09/80,763.92 - Step 6: Final answer
x = 62,035.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.