Finding the Fourth Proportional to 75,091.68, 112,668.84 and 32,949.99
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Solution
The fourth proportional to 75,091.68, 112,668.84 and 32,949.99 is: 49,438.73
Step by Step Solution
- Step 1: Write the proportion equation
75,091.68 : 112,668.84 = 32,949.99 : x - Step 2: Convert to fraction form
75,091.68/112,668.84 = 32,949.99/x - Step 3: Cross multiply
75,091.68x = 112,668.84 × 32,949.99 - Step 4: Simplify right side
75,091.68x = 3,712,437,151.31 - Step 5: Solve for x
x = 3,712,437,151.31/75,091.68 - Step 6: Final answer
x = 49,438.73
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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.