Finding the Fourth Proportional to 79,464.07, 119,195.99 and 20,299.76
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Solution
The fourth proportional to 79,464.07, 119,195.99 and 20,299.76 is: 30,449.61
Step by Step Solution
- Step 1: Write the proportion equation
79,464.07 : 119,195.99 = 20,299.76 : x - Step 2: Convert to fraction form
79,464.07/119,195.99 = 20,299.76/x - Step 3: Cross multiply
79,464.07x = 119,195.99 × 20,299.76 - Step 4: Simplify right side
79,464.07x = 2,419,649,989.96 - Step 5: Solve for x
x = 2,419,649,989.96/79,464.07 - Step 6: Final answer
x = 30,449.61
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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.