Finding the Fourth Proportional to 75,759.48, 113,620.99 and 23,169.42
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Solution
The fourth proportional to 75,759.48, 113,620.99 and 23,169.42 is: 34,748.55
Step by Step Solution
- Step 1: Write the proportion equation
75,759.48 : 113,620.99 = 23,169.42 : x - Step 2: Convert to fraction form
75,759.48/113,620.99 = 23,169.42/x - Step 3: Cross multiply
75,759.48x = 113,620.99 × 23,169.42 - Step 4: Simplify right side
75,759.48x = 2,632,531,812.10 - Step 5: Solve for x
x = 2,632,531,812.10/75,759.48 - Step 6: Final answer
x = 34,748.55
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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.