Finding the Fourth Proportional to 68,393.21, 102,625.92 and 48,531.05
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Solution
The fourth proportional to 68,393.21, 102,625.92 and 48,531.05 is: 72,822.19
Step by Step Solution
- Step 1: Write the proportion equation
68,393.21 : 102,625.92 = 48,531.05 : x - Step 2: Convert to fraction form
68,393.21/102,625.92 = 48,531.05/x - Step 3: Cross multiply
68,393.21x = 102,625.92 × 48,531.05 - Step 4: Simplify right side
68,393.21x = 4,980,543,141.69 - Step 5: Solve for x
x = 4,980,543,141.69/68,393.21 - Step 6: Final answer
x = 72,822.19
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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.