Finding the Fourth Proportional to 68,262.96, 102,324.16 and 26,133.12
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Solution
The fourth proportional to 68,262.96, 102,324.16 and 26,133.12 is: 39,172.77
Step by Step Solution
- Step 1: Write the proportion equation
68,262.96 : 102,324.16 = 26,133.12 : x - Step 2: Convert to fraction form
68,262.96/102,324.16 = 26,133.12/x - Step 3: Cross multiply
68,262.96x = 102,324.16 × 26,133.12 - Step 4: Simplify right side
68,262.96x = 2,674,049,552.18 - Step 5: Solve for x
x = 2,674,049,552.18/68,262.96 - Step 6: Final answer
x = 39,172.77
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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.