Finding the Fourth Proportional to 75,620.43, 104,355.35 and 41,628.19
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Solution
The fourth proportional to 75,620.43, 104,355.35 and 41,628.19 is: 57,446.44
Step by Step Solution
- Step 1: Write the proportion equation
75,620.43 : 104,355.35 = 41,628.19 : x - Step 2: Convert to fraction form
75,620.43/104,355.35 = 41,628.19/x - Step 3: Cross multiply
75,620.43x = 104,355.35 × 41,628.19 - Step 4: Simplify right side
75,620.43x = 4,344,124,129.18 - Step 5: Solve for x
x = 4,344,124,129.18/75,620.43 - Step 6: Final answer
x = 57,446.44
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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.