Finding the Fourth Proportional to 99,562.44, 137,396.12 and 54,850.44
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Solution
The fourth proportional to 99,562.44, 137,396.12 and 54,850.44 is: 75,693.58
Step by Step Solution
- Step 1: Write the proportion equation
99,562.44 : 137,396.12 = 54,850.44 : x - Step 2: Convert to fraction form
99,562.44/137,396.12 = 54,850.44/x - Step 3: Cross multiply
99,562.44x = 137,396.12 × 54,850.44 - Step 4: Simplify right side
99,562.44x = 7,536,237,636.29 - Step 5: Solve for x
x = 7,536,237,636.29/99,562.44 - Step 6: Final answer
x = 75,693.58
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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.