Finding the Fourth Proportional to 76,874.67, 115,317.95 and 29,512.53
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Solution
The fourth proportional to 76,874.67, 115,317.95 and 29,512.53 is: 44,271.08
Step by Step Solution
- Step 1: Write the proportion equation
76,874.67 : 115,317.95 = 29,512.53 : x - Step 2: Convert to fraction form
76,874.67/115,317.95 = 29,512.53/x - Step 3: Cross multiply
76,874.67x = 115,317.95 × 29,512.53 - Step 4: Simplify right side
76,874.67x = 3,403,324,311.35 - Step 5: Solve for x
x = 3,403,324,311.35/76,874.67 - Step 6: Final answer
x = 44,271.08
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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.