Finding the Fourth Proportional to 67,083.18, 100,628.21 and 17,163.70
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Solution
The fourth proportional to 67,083.18, 100,628.21 and 17,163.70 is: 25,746.43
Step by Step Solution
- Step 1: Write the proportion equation
67,083.18 : 100,628.21 = 17,163.70 : x - Step 2: Convert to fraction form
67,083.18/100,628.21 = 17,163.70/x - Step 3: Cross multiply
67,083.18x = 100,628.21 × 17,163.70 - Step 4: Simplify right side
67,083.18x = 1,727,152,407.98 - Step 5: Solve for x
x = 1,727,152,407.98/67,083.18 - Step 6: Final answer
x = 25,746.43
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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.