Finding the Fourth Proportional to 68,518.44, 102,702.58 and 35,240.26
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Solution
The fourth proportional to 68,518.44, 102,702.58 and 35,240.26 is: 52,821.78
Step by Step Solution
- Step 1: Write the proportion equation
68,518.44 : 102,702.58 = 35,240.26 : x - Step 2: Convert to fraction form
68,518.44/102,702.58 = 35,240.26/x - Step 3: Cross multiply
68,518.44x = 102,702.58 × 35,240.26 - Step 4: Simplify right side
68,518.44x = 3,619,265,621.87 - Step 5: Solve for x
x = 3,619,265,621.87/68,518.44 - Step 6: Final answer
x = 52,821.78
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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.