Finding the Fourth Proportional to 76,194.74, 114,310.35 and 31,796.79
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Solution
The fourth proportional to 76,194.74, 114,310.35 and 31,796.79 is: 47,702.80
Step by Step Solution
- Step 1: Write the proportion equation
76,194.74 : 114,310.35 = 31,796.79 : x - Step 2: Convert to fraction form
76,194.74/114,310.35 = 31,796.79/x - Step 3: Cross multiply
76,194.74x = 114,310.35 × 31,796.79 - Step 4: Simplify right side
76,194.74x = 3,634,702,193.78 - Step 5: Solve for x
x = 3,634,702,193.78/76,194.74 - Step 6: Final answer
x = 47,702.80
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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.