Finding the Fourth Proportional to 104,945.83, 157,465.11 and 55,013.99
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Solution
The fourth proportional to 104,945.83, 157,465.11 and 55,013.99 is: 82,545.29
Step by Step Solution
- Step 1: Write the proportion equation
104,945.83 : 157,465.11 = 55,013.99 : x - Step 2: Convert to fraction form
104,945.83/157,465.11 = 55,013.99/x - Step 3: Cross multiply
104,945.83x = 157,465.11 × 55,013.99 - Step 4: Simplify right side
104,945.83x = 8,662,783,405.87 - Step 5: Solve for x
x = 8,662,783,405.87/104,945.83 - Step 6: Final answer
x = 82,545.29
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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.