Finding the Fourth Proportional to 110,790.99, 166,119.66 and 51,639.93
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Solution
The fourth proportional to 110,790.99, 166,119.66 and 51,639.93 is: 77,428.75
Step by Step Solution
- Step 1: Write the proportion equation
110,790.99 : 166,119.66 = 51,639.93 : x - Step 2: Convert to fraction form
110,790.99/166,119.66 = 51,639.93/x - Step 3: Cross multiply
110,790.99x = 166,119.66 × 51,639.93 - Step 4: Simplify right side
110,790.99x = 8,578,407,614.02 - Step 5: Solve for x
x = 8,578,407,614.02/110,790.99 - Step 6: Final answer
x = 77,428.75
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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.