Finding the Fourth Proportional to 77,183.76, 106,510.68 and 43,650.48
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Solution
The fourth proportional to 77,183.76, 106,510.68 and 43,650.48 is: 60,236.02
Step by Step Solution
- Step 1: Write the proportion equation
77,183.76 : 106,510.68 = 43,650.48 : x - Step 2: Convert to fraction form
77,183.76/106,510.68 = 43,650.48/x - Step 3: Cross multiply
77,183.76x = 106,510.68 × 43,650.48 - Step 4: Simplify right side
77,183.76x = 4,649,242,307.13 - Step 5: Solve for x
x = 4,649,242,307.13/77,183.76 - Step 6: Final answer
x = 60,236.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.