Finding the Fourth Proportional to 108,108.73, 162,163.10 and 48,943.09
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Solution
The fourth proportional to 108,108.73, 162,163.10 and 48,943.09 is: 73,414.64
Step by Step Solution
- Step 1: Write the proportion equation
108,108.73 : 162,163.10 = 48,943.09 : x - Step 2: Convert to fraction form
108,108.73/162,163.10 = 48,943.09/x - Step 3: Cross multiply
108,108.73x = 162,163.10 × 48,943.09 - Step 4: Simplify right side
108,108.73x = 7,936,763,197.98 - Step 5: Solve for x
x = 7,936,763,197.98/108,108.73 - Step 6: Final answer
x = 73,414.64
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1.5x scale
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.