Finding the Fourth Proportional to 68,396.52, 102,689.28 and 47,284.68
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Solution
The fourth proportional to 68,396.52, 102,689.28 and 47,284.68 is: 70,992.35
Step by Step Solution
- Step 1: Write the proportion equation
68,396.52 : 102,689.28 = 47,284.68 : x - Step 2: Convert to fraction form
68,396.52/102,689.28 = 47,284.68/x - Step 3: Cross multiply
68,396.52x = 102,689.28 × 47,284.68 - Step 4: Simplify right side
68,396.52x = 4,855,629,744.23 - Step 5: Solve for x
x = 4,855,629,744.23/68,396.52 - Step 6: Final answer
x = 70,992.35
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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.