Finding the Fourth Proportional to 75,141.25, 103,694.93 and 41,609.41
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Solution
The fourth proportional to 75,141.25, 103,694.93 and 41,609.41 is: 57,420.99
Step by Step Solution
- Step 1: Write the proportion equation
75,141.25 : 103,694.93 = 41,609.41 : x - Step 2: Convert to fraction form
75,141.25/103,694.93 = 41,609.41/x - Step 3: Cross multiply
75,141.25x = 103,694.93 × 41,609.41 - Step 4: Simplify right side
75,141.25x = 4,314,684,857.29 - Step 5: Solve for x
x = 4,314,684,857.29/75,141.25 - Step 6: Final answer
x = 57,420.99
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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.