Finding the Fourth Proportional to 68,027.23, 102,018.16 and 28,576.99
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Solution
The fourth proportional to 68,027.23, 102,018.16 and 28,576.99 is: 42,855.96
Step by Step Solution
- Step 1: Write the proportion equation
68,027.23 : 102,018.16 = 28,576.99 : x - Step 2: Convert to fraction form
68,027.23/102,018.16 = 28,576.99/x - Step 3: Cross multiply
68,027.23x = 102,018.16 × 28,576.99 - Step 4: Simplify right side
68,027.23x = 2,915,371,938.14 - Step 5: Solve for x
x = 2,915,371,938.14/68,027.23 - Step 6: Final answer
x = 42,855.96
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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.