Finding the Fourth Proportional to 76,890.06, 115,203.87 and 41,766.84
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Solution
The fourth proportional to 76,890.06, 115,203.87 and 41,766.84 is: 62,578.98
Step by Step Solution
- Step 1: Write the proportion equation
76,890.06 : 115,203.87 = 41,766.84 : x - Step 2: Convert to fraction form
76,890.06/115,203.87 = 41,766.84/x - Step 3: Cross multiply
76,890.06x = 115,203.87 × 41,766.84 - Step 4: Simplify right side
76,890.06x = 4,811,701,605.67 - Step 5: Solve for x
x = 4,811,701,605.67/76,890.06 - Step 6: Final answer
x = 62,578.98
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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.