Finding the Fourth Proportional to 76,141.92, 114,211.62 and 26,220.92
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Solution
The fourth proportional to 76,141.92, 114,211.62 and 26,220.92 is: 39,330.94
Step by Step Solution
- Step 1: Write the proportion equation
76,141.92 : 114,211.62 = 26,220.92 : x - Step 2: Convert to fraction form
76,141.92/114,211.62 = 26,220.92/x - Step 3: Cross multiply
76,141.92x = 114,211.62 × 26,220.92 - Step 4: Simplify right side
76,141.92x = 2,994,733,180.03 - Step 5: Solve for x
x = 2,994,733,180.03/76,141.92 - Step 6: Final answer
x = 39,330.94
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1.5x scale
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.