Finding the Fourth Proportional to 68,251.40, 102,377.10 and 44,631.80
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Solution
The fourth proportional to 68,251.40, 102,377.10 and 44,631.80 is: 66,947.70
Step by Step Solution
- Step 1: Write the proportion equation
68,251.40 : 102,377.10 = 44,631.80 : x - Step 2: Convert to fraction form
68,251.40/102,377.10 = 44,631.80/x - Step 3: Cross multiply
68,251.40x = 102,377.10 × 44,631.80 - Step 4: Simplify right side
68,251.40x = 4,569,274,251.78 - Step 5: Solve for x
x = 4,569,274,251.78/68,251.40 - Step 6: Final answer
x = 66,947.70
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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.