Finding the Fourth Proportional to 84,091.92, 116,045.28 and 46,366.08
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Solution
The fourth proportional to 84,091.92, 116,045.28 and 46,366.08 is: 63,984.32
Step by Step Solution
- Step 1: Write the proportion equation
84,091.92 : 116,045.28 = 46,366.08 : x - Step 2: Convert to fraction form
84,091.92/116,045.28 = 46,366.08/x - Step 3: Cross multiply
84,091.92x = 116,045.28 × 46,366.08 - Step 4: Simplify right side
84,091.92x = 5,380,564,736.10 - Step 5: Solve for x
x = 5,380,564,736.10/84,091.92 - Step 6: Final answer
x = 63,984.32
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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.