Finding the Fourth Proportional to 74,709, 103,099.50 and 41,175
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Solution
The fourth proportional to 74,709, 103,099.50 and 41,175 is: 56,822.10
Step by Step Solution
- Step 1: Write the proportion equation
74,709 : 103,099.50 = 41,175 : x - Step 2: Convert to fraction form
74,709/103,099.50 = 41,175/x - Step 3: Cross multiply
74,709x = 103,099.50 × 41,175 - Step 4: Simplify right side
74,709x = 4,245,121,912.50 - Step 5: Solve for x
x = 4,245,121,912.50/74,709 - Step 6: Final answer
x = 56,822.10
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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.