Finding the Fourth Proportional to 76,906.10, 115,359.15 and 24,331.70
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Solution
The fourth proportional to 76,906.10, 115,359.15 and 24,331.70 is: 36,497.55
Step by Step Solution
- Step 1: Write the proportion equation
76,906.10 : 115,359.15 = 24,331.70 : x - Step 2: Convert to fraction form
76,906.10/115,359.15 = 24,331.70/x - Step 3: Cross multiply
76,906.10x = 115,359.15 × 24,331.70 - Step 4: Simplify right side
76,906.10x = 2,806,884,230.06 - Step 5: Solve for x
x = 2,806,884,230.06/76,906.10 - Step 6: Final answer
x = 36,497.55
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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.