Finding the Fourth Proportional to 74,724.06, 103,134.52 and 44,527.08
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Solution
The fourth proportional to 74,724.06, 103,134.52 and 44,527.08 is: 61,456.50
Step by Step Solution
- Step 1: Write the proportion equation
74,724.06 : 103,134.52 = 44,527.08 : x - Step 2: Convert to fraction form
74,724.06/103,134.52 = 44,527.08/x - Step 3: Cross multiply
74,724.06x = 103,134.52 × 44,527.08 - Step 4: Simplify right side
74,724.06x = 4,592,279,022.80 - Step 5: Solve for x
x = 4,592,279,022.80/74,724.06 - Step 6: Final answer
x = 61,456.50
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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.