Finding the Fourth Proportional to 75,542.76, 104,251.73 and 41,553.91
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Solution
The fourth proportional to 75,542.76, 104,251.73 and 41,553.91 is: 57,345.89
Step by Step Solution
- Step 1: Write the proportion equation
75,542.76 : 104,251.73 = 41,553.91 : x - Step 2: Convert to fraction form
75,542.76/104,251.73 = 41,553.91/x - Step 3: Cross multiply
75,542.76x = 104,251.73 × 41,553.91 - Step 4: Simplify right side
75,542.76x = 4,332,066,928.31 - Step 5: Solve for x
x = 4,332,066,928.31/75,542.76 - Step 6: Final answer
x = 57,345.89
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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.