Finding the Fourth Proportional to 89,466.24, 123,466.32 and 49,181.44
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Solution
The fourth proportional to 89,466.24, 123,466.32 and 49,181.44 is: 67,871.99
Step by Step Solution
- Step 1: Write the proportion equation
89,466.24 : 123,466.32 = 49,181.44 : x - Step 2: Convert to fraction form
89,466.24/123,466.32 = 49,181.44/x - Step 3: Cross multiply
89,466.24x = 123,466.32 × 49,181.44 - Step 4: Simplify right side
89,466.24x = 6,072,251,409.10 - Step 5: Solve for x
x = 6,072,251,409.10/89,466.24 - Step 6: Final answer
x = 67,871.99
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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.