Finding the Fourth Proportional to 76,882.11, 106,104.62 and 48,206.31
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Solution
The fourth proportional to 76,882.11, 106,104.62 and 48,206.31 is: 66,529.29
Step by Step Solution
- Step 1: Write the proportion equation
76,882.11 : 106,104.62 = 48,206.31 : x - Step 2: Convert to fraction form
76,882.11/106,104.62 = 48,206.31/x - Step 3: Cross multiply
76,882.11x = 106,104.62 × 48,206.31 - Step 4: Simplify right side
76,882.11x = 5,114,911,963.12 - Step 5: Solve for x
x = 5,114,911,963.12/76,882.11 - Step 6: Final answer
x = 66,529.29
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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.