Finding the Fourth Proportional to 76,915.52, 115,379.76 and 24,323.84
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Solution
The fourth proportional to 76,915.52, 115,379.76 and 24,323.84 is: 36,487.81
Step by Step Solution
- Step 1: Write the proportion equation
76,915.52 : 115,379.76 = 24,323.84 : x - Step 2: Convert to fraction form
76,915.52/115,379.76 = 24,323.84/x - Step 3: Cross multiply
76,915.52x = 115,379.76 × 24,323.84 - Step 4: Simplify right side
76,915.52x = 2,806,478,821.48 - Step 5: Solve for x
x = 2,806,478,821.48/76,915.52 - Step 6: Final answer
x = 36,487.81
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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.