Finding the Fourth Proportional to 116,741.44, 161,107.14 and 69,035.68
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Solution
The fourth proportional to 116,741.44, 161,107.14 and 69,035.68 is: 95,271.58
Step by Step Solution
- Step 1: Write the proportion equation
116,741.44 : 161,107.14 = 69,035.68 : x - Step 2: Convert to fraction form
116,741.44/161,107.14 = 69,035.68/x - Step 3: Cross multiply
116,741.44x = 161,107.14 × 69,035.68 - Step 4: Simplify right side
116,741.44x = 11,122,140,962.76 - Step 5: Solve for x
x = 11,122,140,962.76/116,741.44 - Step 6: Final answer
x = 95,271.58
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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.