Finding the Fourth Proportional to 107,571.44, 161,301.58 and 48,356.60
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Solution
The fourth proportional to 107,571.44, 161,301.58 and 48,356.60 is: 72,509.90
Step by Step Solution
- Step 1: Write the proportion equation
107,571.44 : 161,301.58 = 48,356.60 : x - Step 2: Convert to fraction form
107,571.44/161,301.58 = 48,356.60/x - Step 3: Cross multiply
107,571.44x = 161,301.58 × 48,356.60 - Step 4: Simplify right side
107,571.44x = 7,799,995,056.03 - Step 5: Solve for x
x = 7,799,995,056.03/107,571.44 - Step 6: Final answer
x = 72,509.90
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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.