Finding the Fourth Proportional to 77,668.10, 116,526.61 and 27,747.09
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Solution
The fourth proportional to 77,668.10, 116,526.61 and 27,747.09 is: 41,629.37
Step by Step Solution
- Step 1: Write the proportion equation
77,668.10 : 116,526.61 = 27,747.09 : x - Step 2: Convert to fraction form
77,668.10/116,526.61 = 27,747.09/x - Step 3: Cross multiply
77,668.10x = 116,526.61 × 27,747.09 - Step 4: Simplify right side
77,668.10x = 3,233,273,752.43 - Step 5: Solve for x
x = 3,233,273,752.43/77,668.10 - Step 6: Final answer
x = 41,629.37
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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.