Finding the Fourth Proportional to 121,720.67, 182,563.96 and 41,757.31
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Solution
The fourth proportional to 121,720.67, 182,563.96 and 41,757.31 is: 62,630.12
Step by Step Solution
- Step 1: Write the proportion equation
121,720.67 : 182,563.96 = 41,757.31 : x - Step 2: Convert to fraction form
121,720.67/182,563.96 = 41,757.31/x - Step 3: Cross multiply
121,720.67x = 182,563.96 × 41,757.31 - Step 4: Simplify right side
121,720.67x = 7,623,379,994.09 - Step 5: Solve for x
x = 7,623,379,994.09/121,720.67 - Step 6: Final answer
x = 62,630.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.