Finding the Fourth Proportional to 68,214.15, 102,320.49 and 26,660.79
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Solution
The fourth proportional to 68,214.15, 102,320.49 and 26,660.79 is: 39,990.90
Step by Step Solution
- Step 1: Write the proportion equation
68,214.15 : 102,320.49 = 26,660.79 : x - Step 2: Convert to fraction form
68,214.15/102,320.49 = 26,660.79/x - Step 3: Cross multiply
68,214.15x = 102,320.49 × 26,660.79 - Step 4: Simplify right side
68,214.15x = 2,727,945,096.59 - Step 5: Solve for x
x = 2,727,945,096.59/68,214.15 - Step 6: Final answer
x = 39,990.90
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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.