Finding the Fourth Proportional to 77,415.06, 116,138.92 and 24,861.44
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Solution
The fourth proportional to 77,415.06, 116,138.92 and 24,861.44 is: 37,297.40
Step by Step Solution
- Step 1: Write the proportion equation
77,415.06 : 116,138.92 = 24,861.44 : x - Step 2: Convert to fraction form
77,415.06/116,138.92 = 24,861.44/x - Step 3: Cross multiply
77,415.06x = 116,138.92 × 24,861.44 - Step 4: Simplify right side
77,415.06x = 2,887,380,791.24 - Step 5: Solve for x
x = 2,887,380,791.24/77,415.06 - Step 6: Final answer
x = 37,297.40
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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.