Finding the Fourth Proportional to 85,725.03, 118,296.43 and 47,481.99
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Solution
The fourth proportional to 85,725.03, 118,296.43 and 47,481.99 is: 65,522.87
Step by Step Solution
- Step 1: Write the proportion equation
85,725.03 : 118,296.43 = 47,481.99 : x - Step 2: Convert to fraction form
85,725.03/118,296.43 = 47,481.99/x - Step 3: Cross multiply
85,725.03x = 118,296.43 × 47,481.99 - Step 4: Simplify right side
85,725.03x = 5,616,949,906.30 - Step 5: Solve for x
x = 5,616,949,906.30/85,725.03 - Step 6: Final answer
x = 65,522.87
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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.