Finding the Fourth Proportional to 74,346.68, 102,591.60 and 44,126.80
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Solution
The fourth proportional to 74,346.68, 102,591.60 and 44,126.80 is: 60,890.94
Step by Step Solution
- Step 1: Write the proportion equation
74,346.68 : 102,591.60 = 44,126.80 : x - Step 2: Convert to fraction form
74,346.68/102,591.60 = 44,126.80/x - Step 3: Cross multiply
74,346.68x = 102,591.60 × 44,126.80 - Step 4: Simplify right side
74,346.68x = 4,527,039,014.88 - Step 5: Solve for x
x = 4,527,039,014.88/74,346.68 - Step 6: Final answer
x = 60,890.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.