Finding the Fourth Proportional to 111,537.99, 153,906.18 and 63,782.11
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Solution
The fourth proportional to 111,537.99, 153,906.18 and 63,782.11 is: 88,010.02
Step by Step Solution
- Step 1: Write the proportion equation
111,537.99 : 153,906.18 = 63,782.11 : x - Step 2: Convert to fraction form
111,537.99/153,906.18 = 63,782.11/x - Step 3: Cross multiply
111,537.99x = 153,906.18 × 63,782.11 - Step 4: Simplify right side
111,537.99x = 9,816,460,902.44 - Step 5: Solve for x
x = 9,816,460,902.44/111,537.99 - Step 6: Final answer
x = 88,010.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.