Finding the Fourth Proportional to 68,573.54, 102,860.33 and 29,102.99
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Solution
The fourth proportional to 68,573.54, 102,860.33 and 29,102.99 is: 43,654.48
Step by Step Solution
- Step 1: Write the proportion equation
68,573.54 : 102,860.33 = 29,102.99 : x - Step 2: Convert to fraction form
68,573.54/102,860.33 = 29,102.99/x - Step 3: Cross multiply
68,573.54x = 102,860.33 × 29,102.99 - Step 4: Simplify right side
68,573.54x = 2,993,542,495.57 - Step 5: Solve for x
x = 2,993,542,495.57/68,573.54 - Step 6: Final answer
x = 43,654.48
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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.