Finding the Fourth Proportional to 104,915.99, 157,412.90 and 48,786.23
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Solution
The fourth proportional to 104,915.99, 157,412.90 and 48,786.23 is: 73,197.44
Step by Step Solution
- Step 1: Write the proportion equation
104,915.99 : 157,412.90 = 48,786.23 : x - Step 2: Convert to fraction form
104,915.99/157,412.90 = 48,786.23/x - Step 3: Cross multiply
104,915.99x = 157,412.90 × 48,786.23 - Step 4: Simplify right side
104,915.99x = 7,679,581,700.44 - Step 5: Solve for x
x = 7,679,581,700.44/104,915.99 - Step 6: Final answer
x = 73,197.44
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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.