Finding the Fourth Proportional to 77,104.10, 115,606.20 and 32,718.80
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Solution
The fourth proportional to 77,104.10, 115,606.20 and 32,718.80 is: 49,057.00
Step by Step Solution
- Step 1: Write the proportion equation
77,104.10 : 115,606.20 = 32,718.80 : x - Step 2: Convert to fraction form
77,104.10/115,606.20 = 32,718.80/x - Step 3: Cross multiply
77,104.10x = 115,606.20 × 32,718.80 - Step 4: Simplify right side
77,104.10x = 3,782,496,136.56 - Step 5: Solve for x
x = 3,782,496,136.56/77,104.10 - Step 6: Final answer
x = 49,057.00
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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.