Finding the Fourth Proportional to 73,640.84, 101,620.74 and 41,805.56
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Solution
The fourth proportional to 73,640.84, 101,620.74 and 41,805.56 is: 57,689.62
Step by Step Solution
- Step 1: Write the proportion equation
73,640.84 : 101,620.74 = 41,805.56 : x - Step 2: Convert to fraction form
73,640.84/101,620.74 = 41,805.56/x - Step 3: Cross multiply
73,640.84x = 101,620.74 × 41,805.56 - Step 4: Simplify right side
73,640.84x = 4,248,311,943.31 - Step 5: Solve for x
x = 4,248,311,943.31/73,640.84 - Step 6: Final answer
x = 57,689.62
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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.