Finding the Fourth Proportional to 79,586.73, 109,845.27 and 45,617.99
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Solution
The fourth proportional to 79,586.73, 109,845.27 and 45,617.99 is: 62,961.75
Step by Step Solution
- Step 1: Write the proportion equation
79,586.73 : 109,845.27 = 45,617.99 : x - Step 2: Convert to fraction form
79,586.73/109,845.27 = 45,617.99/x - Step 3: Cross multiply
79,586.73x = 109,845.27 × 45,617.99 - Step 4: Simplify right side
79,586.73x = 5,010,919,879.18 - Step 5: Solve for x
x = 5,010,919,879.18/79,586.73 - Step 6: Final answer
x = 62,961.75
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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.