Finding the Fourth Proportional to 76,922.48, 115,382.88 and 24,331.92
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Solution
The fourth proportional to 76,922.48, 115,382.88 and 24,331.92 is: 36,497.61
Step by Step Solution
- Step 1: Write the proportion equation
76,922.48 : 115,382.88 = 24,331.92 : x - Step 2: Convert to fraction form
76,922.48/115,382.88 = 24,331.92/x - Step 3: Cross multiply
76,922.48x = 115,382.88 × 24,331.92 - Step 4: Simplify right side
76,922.48x = 2,807,487,005.53 - Step 5: Solve for x
x = 2,807,487,005.53/76,922.48 - Step 6: Final answer
x = 36,497.61
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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.