Finding the Fourth Proportional to 74,328.53, 102,539.87 and 44,115.12
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Solution
The fourth proportional to 74,328.53, 102,539.87 and 44,115.12 is: 60,858.98
Step by Step Solution
- Step 1: Write the proportion equation
74,328.53 : 102,539.87 = 44,115.12 : x - Step 2: Convert to fraction form
74,328.53/102,539.87 = 44,115.12/x - Step 3: Cross multiply
74,328.53x = 102,539.87 × 44,115.12 - Step 4: Simplify right side
74,328.53x = 4,523,558,449.26 - Step 5: Solve for x
x = 4,523,558,449.26/74,328.53 - Step 6: Final answer
x = 60,858.98
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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.