Finding the Fourth Proportional to 76,900.66, 106,082.49 and 62,576.62
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Solution
The fourth proportional to 76,900.66, 106,082.49 and 62,576.62 is: 86,322.84
Step by Step Solution
- Step 1: Write the proportion equation
76,900.66 : 106,082.49 = 62,576.62 : x - Step 2: Convert to fraction form
76,900.66/106,082.49 = 62,576.62/x - Step 3: Cross multiply
76,900.66x = 106,082.49 × 62,576.62 - Step 4: Simplify right side
76,900.66x = 6,638,283,665.38 - Step 5: Solve for x
x = 6,638,283,665.38/76,900.66 - Step 6: Final answer
x = 86,322.84
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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.