Finding the Fourth Proportional to 86,207.48, 129,311.11 and 27,047.71
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Solution
The fourth proportional to 86,207.48, 129,311.11 and 27,047.71 is: 40,571.53
Step by Step Solution
- Step 1: Write the proportion equation
86,207.48 : 129,311.11 = 27,047.71 : x - Step 2: Convert to fraction form
86,207.48/129,311.11 = 27,047.71/x - Step 3: Cross multiply
86,207.48x = 129,311.11 × 27,047.71 - Step 4: Simplify right side
86,207.48x = 3,497,569,403.06 - Step 5: Solve for x
x = 3,497,569,403.06/86,207.48 - Step 6: Final answer
x = 40,571.53
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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.