Finding the Fourth Proportional to 73,915.26, 110,807.07 and 27,157.20
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Solution
The fourth proportional to 73,915.26, 110,807.07 and 27,157.20 is: 40,711.62
Step by Step Solution
- Step 1: Write the proportion equation
73,915.26 : 110,807.07 = 27,157.20 : x - Step 2: Convert to fraction form
73,915.26/110,807.07 = 27,157.20/x - Step 3: Cross multiply
73,915.26x = 110,807.07 × 27,157.20 - Step 4: Simplify right side
73,915.26x = 3,009,209,761.40 - Step 5: Solve for x
x = 3,009,209,761.40/73,915.26 - Step 6: Final answer
x = 40,711.62
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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.