Finding the Fourth Proportional to 80,606.73, 120,894.34 and 76,605.99
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Solution
The fourth proportional to 80,606.73, 120,894.34 and 76,605.99 is: 114,894.01
Step by Step Solution
- Step 1: Write the proportion equation
80,606.73 : 120,894.34 = 76,605.99 : x - Step 2: Convert to fraction form
80,606.73/120,894.34 = 76,605.99/x - Step 3: Cross multiply
80,606.73x = 120,894.34 × 76,605.99 - Step 4: Simplify right side
80,606.73x = 9,261,230,601.10 - Step 5: Solve for x
x = 9,261,230,601.10/80,606.73 - Step 6: Final answer
x = 114,894.01
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.