Finding the Fourth Proportional to 74,736.36, 103,135.50 and 41,202.36
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Solution
The fourth proportional to 74,736.36, 103,135.50 and 41,202.36 is: 56,858.88
Step by Step Solution
- Step 1: Write the proportion equation
74,736.36 : 103,135.50 = 41,202.36 : x - Step 2: Convert to fraction form
74,736.36/103,135.50 = 41,202.36/x - Step 3: Cross multiply
74,736.36x = 103,135.50 × 41,202.36 - Step 4: Simplify right side
74,736.36x = 4,249,425,999.78 - Step 5: Solve for x
x = 4,249,425,999.78/74,736.36 - Step 6: Final answer
x = 56,858.88
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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.