Finding the Fourth Proportional to 75,715.03, 104,482.51 and 41,716.90
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Solution
The fourth proportional to 75,715.03, 104,482.51 and 41,716.90 is: 57,566.99
Step by Step Solution
- Step 1: Write the proportion equation
75,715.03 : 104,482.51 = 41,716.90 : x - Step 2: Convert to fraction form
75,715.03/104,482.51 = 41,716.90/x - Step 3: Cross multiply
75,715.03x = 104,482.51 × 41,716.90 - Step 4: Simplify right side
75,715.03x = 4,358,686,421.42 - Step 5: Solve for x
x = 4,358,686,421.42/75,715.03 - Step 6: Final answer
x = 57,566.99
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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.