Finding the Fourth Proportional to 68,220.18, 102,141.34 and 34,868.44
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Solution
The fourth proportional to 68,220.18, 102,141.34 and 34,868.44 is: 52,206.09
Step by Step Solution
- Step 1: Write the proportion equation
68,220.18 : 102,141.34 = 34,868.44 : x - Step 2: Convert to fraction form
68,220.18/102,141.34 = 34,868.44/x - Step 3: Cross multiply
68,220.18x = 102,141.34 × 34,868.44 - Step 4: Simplify right side
68,220.18x = 3,561,509,185.31 - Step 5: Solve for x
x = 3,561,509,185.31/68,220.18 - Step 6: Final answer
x = 52,206.09
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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.