Finding the Fourth Proportional to 79,868.99, 119,793.11 and 23,707.96
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Solution
The fourth proportional to 79,868.99, 119,793.11 and 23,707.96 is: 35,558.85
Step by Step Solution
- Step 1: Write the proportion equation
79,868.99 : 119,793.11 = 23,707.96 : x - Step 2: Convert to fraction form
79,868.99/119,793.11 = 23,707.96/x - Step 3: Cross multiply
79,868.99x = 119,793.11 × 23,707.96 - Step 4: Simplify right side
79,868.99x = 2,840,049,842.13 - Step 5: Solve for x
x = 2,840,049,842.13/79,868.99 - Step 6: Final answer
x = 35,558.85
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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.