Finding the Fourth Proportional to 68,318.48, 102,429.30 and 26,163.02
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Solution
The fourth proportional to 68,318.48, 102,429.30 and 26,163.02 is: 39,225.99
Step by Step Solution
- Step 1: Write the proportion equation
68,318.48 : 102,429.30 = 26,163.02 : x - Step 2: Convert to fraction form
68,318.48/102,429.30 = 26,163.02/x - Step 3: Cross multiply
68,318.48x = 102,429.30 × 26,163.02 - Step 4: Simplify right side
68,318.48x = 2,679,859,824.49 - Step 5: Solve for x
x = 2,679,859,824.49/68,318.48 - Step 6: Final answer
x = 39,225.99
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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.