Finding the Fourth Proportional to 68,912.24, 103,396.30 and 46,712.97
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Solution
The fourth proportional to 68,912.24, 103,396.30 and 46,712.97 is: 70,088.40
Step by Step Solution
- Step 1: Write the proportion equation
68,912.24 : 103,396.30 = 46,712.97 : x - Step 2: Convert to fraction form
68,912.24/103,396.30 = 46,712.97/x - Step 3: Cross multiply
68,912.24x = 103,396.30 × 46,712.97 - Step 4: Simplify right side
68,912.24x = 4,829,948,143.23 - Step 5: Solve for x
x = 4,829,948,143.23/68,912.24 - Step 6: Final answer
x = 70,088.40
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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.