Finding the Fourth Proportional to 76,902.21, 115,354.53 and 24,348.60
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Solution
The fourth proportional to 76,902.21, 115,354.53 and 24,348.60 is: 36,523.28
Step by Step Solution
- Step 1: Write the proportion equation
76,902.21 : 115,354.53 = 24,348.60 : x - Step 2: Convert to fraction form
76,902.21/115,354.53 = 24,348.60/x - Step 3: Cross multiply
76,902.21x = 115,354.53 × 24,348.60 - Step 4: Simplify right side
76,902.21x = 2,808,721,309.16 - Step 5: Solve for x
x = 2,808,721,309.16/76,902.21 - Step 6: Final answer
x = 36,523.28
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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.