Finding the Fourth Proportional to 75,348.24, 103,981.84 and 41,359.92
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Solution
The fourth proportional to 75,348.24, 103,981.84 and 41,359.92 is: 57,077.39
Step by Step Solution
- Step 1: Write the proportion equation
75,348.24 : 103,981.84 = 41,359.92 : x - Step 2: Convert to fraction form
75,348.24/103,981.84 = 41,359.92/x - Step 3: Cross multiply
75,348.24x = 103,981.84 × 41,359.92 - Step 4: Simplify right side
75,348.24x = 4,300,680,583.85 - Step 5: Solve for x
x = 4,300,680,583.85/75,348.24 - Step 6: Final answer
x = 57,077.39
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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.