Finding the Fourth Proportional to 113,381.68, 170,068.74 and 60,893.68
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Solution
The fourth proportional to 113,381.68, 170,068.74 and 60,893.68 is: 91,338.49
Step by Step Solution
- Step 1: Write the proportion equation
113,381.68 : 170,068.74 = 60,893.68 : x - Step 2: Convert to fraction form
113,381.68/170,068.74 = 60,893.68/x - Step 3: Cross multiply
113,381.68x = 170,068.74 × 60,893.68 - Step 4: Simplify right side
113,381.68x = 10,356,111,431.56 - Step 5: Solve for x
x = 10,356,111,431.56/113,381.68 - Step 6: Final answer
x = 91,338.49
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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.