Finding the Fourth Proportional to 75,628.44, 113,380.68 and 41,893.32
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Solution
The fourth proportional to 75,628.44, 113,380.68 and 41,893.32 is: 62,805.65
Step by Step Solution
- Step 1: Write the proportion equation
75,628.44 : 113,380.68 = 41,893.32 : x - Step 2: Convert to fraction form
75,628.44/113,380.68 = 41,893.32/x - Step 3: Cross multiply
75,628.44x = 113,380.68 × 41,893.32 - Step 4: Simplify right side
75,628.44x = 4,749,893,109.06 - Step 5: Solve for x
x = 4,749,893,109.06/75,628.44 - Step 6: Final answer
x = 62,805.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.