Finding the Fourth Proportional to 85,294.70, 117,668.62 and 49,463.94
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Solution
The fourth proportional to 85,294.70, 117,668.62 and 49,463.94 is: 68,238.17
Step by Step Solution
- Step 1: Write the proportion equation
85,294.70 : 117,668.62 = 49,463.94 : x - Step 2: Convert to fraction form
85,294.70/117,668.62 = 49,463.94/x - Step 3: Cross multiply
85,294.70x = 117,668.62 × 49,463.94 - Step 4: Simplify right side
85,294.70x = 5,820,353,870.82 - Step 5: Solve for x
x = 5,820,353,870.82/85,294.70 - Step 6: Final answer
x = 68,238.17
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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.