Finding the Fourth Proportional to 71,245.68, 106,865.28 and 33,823.68
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Solution
The fourth proportional to 71,245.68, 106,865.28 and 33,823.68 is: 50,733.98
Step by Step Solution
- Step 1: Write the proportion equation
71,245.68 : 106,865.28 = 33,823.68 : x - Step 2: Convert to fraction form
71,245.68/106,865.28 = 33,823.68/x - Step 3: Cross multiply
71,245.68x = 106,865.28 × 33,823.68 - Step 4: Simplify right side
71,245.68x = 3,614,577,033.83 - Step 5: Solve for x
x = 3,614,577,033.83/71,245.68 - Step 6: Final answer
x = 50,733.98
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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.