Finding the Fourth Proportional to 76,839.08, 115,270.92 and 32,466.26
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Solution
The fourth proportional to 76,839.08, 115,270.92 and 32,466.26 is: 48,704.59
Step by Step Solution
- Step 1: Write the proportion equation
76,839.08 : 115,270.92 = 32,466.26 : x - Step 2: Convert to fraction form
76,839.08/115,270.92 = 32,466.26/x - Step 3: Cross multiply
76,839.08x = 115,270.92 × 32,466.26 - Step 4: Simplify right side
76,839.08x = 3,742,415,659.16 - Step 5: Solve for x
x = 3,742,415,659.16/76,839.08 - Step 6: Final answer
x = 48,704.59
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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.