Finding the Fourth Proportional to 96,915.29, 133,723.49 and 56,621.26
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Solution
The fourth proportional to 96,915.29, 133,723.49 and 56,621.26 is: 78,125.89
Step by Step Solution
- Step 1: Write the proportion equation
96,915.29 : 133,723.49 = 56,621.26 : x - Step 2: Convert to fraction form
96,915.29/133,723.49 = 56,621.26/x - Step 3: Cross multiply
96,915.29x = 133,723.49 × 56,621.26 - Step 4: Simplify right side
96,915.29x = 7,571,592,914.79 - Step 5: Solve for x
x = 7,571,592,914.79/96,915.29 - Step 6: Final answer
x = 78,125.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.