Finding the Fourth Proportional to 84,481.08, 116,537.16 and 54,270.84
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Solution
The fourth proportional to 84,481.08, 116,537.16 and 54,270.84 is: 74,863.74
Step by Step Solution
- Step 1: Write the proportion equation
84,481.08 : 116,537.16 = 54,270.84 : x - Step 2: Convert to fraction form
84,481.08/116,537.16 = 54,270.84/x - Step 3: Cross multiply
84,481.08x = 116,537.16 × 54,270.84 - Step 4: Simplify right side
84,481.08x = 6,324,569,564.41 - Step 5: Solve for x
x = 6,324,569,564.41/84,481.08 - Step 6: Final answer
x = 74,863.74
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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.