Finding the Fourth Proportional to 75,107.09, 103,640.69 and 44,886.40
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Solution
The fourth proportional to 75,107.09, 103,640.69 and 44,886.40 is: 61,938.99
Step by Step Solution
- Step 1: Write the proportion equation
75,107.09 : 103,640.69 = 44,886.40 : x - Step 2: Convert to fraction form
75,107.09/103,640.69 = 44,886.40/x - Step 3: Cross multiply
75,107.09x = 103,640.69 × 44,886.40 - Step 4: Simplify right side
75,107.09x = 4,652,057,467.62 - Step 5: Solve for x
x = 4,652,057,467.62/75,107.09 - Step 6: Final answer
x = 61,938.99
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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.