Finding the Fourth Proportional to 76,699.40, 115,052.70 and 24,110.60
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Solution
The fourth proportional to 76,699.40, 115,052.70 and 24,110.60 is: 36,167.03
Step by Step Solution
- Step 1: Write the proportion equation
76,699.40 : 115,052.70 = 24,110.60 : x - Step 2: Convert to fraction form
76,699.40/115,052.70 = 24,110.60/x - Step 3: Cross multiply
76,699.40x = 115,052.70 × 24,110.60 - Step 4: Simplify right side
76,699.40x = 2,773,989,628.62 - Step 5: Solve for x
x = 2,773,989,628.62/76,699.40 - Step 6: Final answer
x = 36,167.03
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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.