Finding the Fourth Proportional to 68,440.29, 102,660.39 and 49,838.65
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Solution
The fourth proportional to 68,440.29, 102,660.39 and 49,838.65 is: 74,757.95
Step by Step Solution
- Step 1: Write the proportion equation
68,440.29 : 102,660.39 = 49,838.65 : x - Step 2: Convert to fraction form
68,440.29/102,660.39 = 49,838.65/x - Step 3: Cross multiply
68,440.29x = 102,660.39 × 49,838.65 - Step 4: Simplify right side
68,440.29x = 5,116,455,492.24 - Step 5: Solve for x
x = 5,116,455,492.24/68,440.29 - Step 6: Final answer
x = 74,757.95
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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.