Finding the Fourth Proportional to 86,043.48, 118,739.29 and 48,316.92
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Solution
The fourth proportional to 86,043.48, 118,739.29 and 48,316.92 is: 66,676.95
Step by Step Solution
- Step 1: Write the proportion equation
86,043.48 : 118,739.29 = 48,316.92 : x - Step 2: Convert to fraction form
86,043.48/118,739.29 = 48,316.92/x - Step 3: Cross multiply
86,043.48x = 118,739.29 × 48,316.92 - Step 4: Simplify right side
86,043.48x = 5,737,117,104.12 - Step 5: Solve for x
x = 5,737,117,104.12/86,043.48 - Step 6: Final answer
x = 66,676.95
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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.