Finding the Fourth Proportional to 77,088.24, 115,649.88 and 32,716.56
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Solution
The fourth proportional to 77,088.24, 115,649.88 and 32,716.56 is: 49,082.28
Step by Step Solution
- Step 1: Write the proportion equation
77,088.24 : 115,649.88 = 32,716.56 : x - Step 2: Convert to fraction form
77,088.24/115,649.88 = 32,716.56/x - Step 3: Cross multiply
77,088.24x = 115,649.88 × 32,716.56 - Step 4: Simplify right side
77,088.24x = 3,783,666,238.01 - Step 5: Solve for x
x = 3,783,666,238.01/77,088.24 - Step 6: Final answer
x = 49,082.28
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1.5x scale
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.