Finding the Fourth Proportional to 84,906.75, 127,379.57 and 29,502.75
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Solution
The fourth proportional to 84,906.75, 127,379.57 and 29,502.75 is: 44,260.88
Step by Step Solution
- Step 1: Write the proportion equation
84,906.75 : 127,379.57 = 29,502.75 : x - Step 2: Convert to fraction form
84,906.75/127,379.57 = 29,502.75/x - Step 3: Cross multiply
84,906.75x = 127,379.57 × 29,502.75 - Step 4: Simplify right side
84,906.75x = 3,758,047,461.30 - Step 5: Solve for x
x = 3,758,047,461.30/84,906.75 - Step 6: Final answer
x = 44,260.88
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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.