Finding the Fourth Proportional to 74,619.44, 102,974.64 and 41,085.44
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Solution
The fourth proportional to 74,619.44, 102,974.64 and 41,085.44 is: 56,697.80
Step by Step Solution
- Step 1: Write the proportion equation
74,619.44 : 102,974.64 = 41,085.44 : x - Step 2: Convert to fraction form
74,619.44/102,974.64 = 41,085.44/x - Step 3: Cross multiply
74,619.44x = 102,974.64 × 41,085.44 - Step 4: Simplify right side
74,619.44x = 4,230,758,393.24 - Step 5: Solve for x
x = 4,230,758,393.24/74,619.44 - Step 6: Final answer
x = 56,697.80
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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.