Finding the Fourth Proportional to 75,793.16, 104,595.39 and 41,803.09
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Solution
The fourth proportional to 75,793.16, 104,595.39 and 41,803.09 is: 57,688.72
Step by Step Solution
- Step 1: Write the proportion equation
75,793.16 : 104,595.39 = 41,803.09 : x - Step 2: Convert to fraction form
75,793.16/104,595.39 = 41,803.09/x - Step 3: Cross multiply
75,793.16x = 104,595.39 × 41,803.09 - Step 4: Simplify right side
75,793.16x = 4,372,410,240.27 - Step 5: Solve for x
x = 4,372,410,240.27/75,793.16 - Step 6: Final answer
x = 57,688.72
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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.