Finding the Fourth Proportional to 84,286.17, 116,318.26 and 48,476.14
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Solution
The fourth proportional to 84,286.17, 116,318.26 and 48,476.14 is: 66,898.99
Step by Step Solution
- Step 1: Write the proportion equation
84,286.17 : 116,318.26 = 48,476.14 : x - Step 2: Convert to fraction form
84,286.17/116,318.26 = 48,476.14/x - Step 3: Cross multiply
84,286.17x = 116,318.26 × 48,476.14 - Step 4: Simplify right side
84,286.17x = 5,638,660,153.32 - Step 5: Solve for x
x = 5,638,660,153.32/84,286.17 - Step 6: Final answer
x = 66,898.99
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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.