Finding the Fourth Proportional to 86,497.29, 119,229.84 and 63,763.44
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Solution
The fourth proportional to 86,497.29, 119,229.84 and 63,763.44 is: 87,892.98
Step by Step Solution
- Step 1: Write the proportion equation
86,497.29 : 119,229.84 = 63,763.44 : x - Step 2: Convert to fraction form
86,497.29/119,229.84 = 63,763.44/x - Step 3: Cross multiply
86,497.29x = 119,229.84 × 63,763.44 - Step 4: Simplify right side
86,497.29x = 7,602,504,749.05 - Step 5: Solve for x
x = 7,602,504,749.05/86,497.29 - Step 6: Final answer
x = 87,892.98
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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.