Finding the Fourth Proportional to 89,350.01, 123,218.49 and 58,668.99
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Solution
The fourth proportional to 89,350.01, 123,218.49 and 58,668.99 is: 80,907.71
Step by Step Solution
- Step 1: Write the proportion equation
89,350.01 : 123,218.49 = 58,668.99 : x - Step 2: Convert to fraction form
89,350.01/123,218.49 = 58,668.99/x - Step 3: Cross multiply
89,350.01x = 123,218.49 × 58,668.99 - Step 4: Simplify right side
89,350.01x = 7,229,104,383.75 - Step 5: Solve for x
x = 7,229,104,383.75/89,350.01 - Step 6: Final answer
x = 80,907.71
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1.5x scale
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.