Finding the Fourth Proportional to 75,177.18, 103,694.56 and 48,353.62
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Solution
The fourth proportional to 75,177.18, 103,694.56 and 48,353.62 is: 66,695.87
Step by Step Solution
- Step 1: Write the proportion equation
75,177.18 : 103,694.56 = 48,353.62 : x - Step 2: Convert to fraction form
75,177.18/103,694.56 = 48,353.62/x - Step 3: Cross multiply
75,177.18x = 103,694.56 × 48,353.62 - Step 4: Simplify right side
75,177.18x = 5,014,007,350.31 - Step 5: Solve for x
x = 5,014,007,350.31/75,177.18 - Step 6: Final answer
x = 66,695.87
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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.