Finding the Fourth Proportional to 113,934.42, 170,901.64 and 74,524.68
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Solution
The fourth proportional to 113,934.42, 170,901.64 and 74,524.68 is: 111,787.03
Step by Step Solution
- Step 1: Write the proportion equation
113,934.42 : 170,901.64 = 74,524.68 : x - Step 2: Convert to fraction form
113,934.42/170,901.64 = 74,524.68/x - Step 3: Cross multiply
113,934.42x = 170,901.64 × 74,524.68 - Step 4: Simplify right side
113,934.42x = 12,736,390,032.48 - Step 5: Solve for x
x = 12,736,390,032.48/113,934.42 - Step 6: Final answer
x = 111,787.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.