Finding the Fourth Proportional to 83,536.64, 125,319.36 and 44,126.72
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Solution
The fourth proportional to 83,536.64, 125,319.36 and 44,126.72 is: 66,197.69
Step by Step Solution
- Step 1: Write the proportion equation
83,536.64 : 125,319.36 = 44,126.72 : x - Step 2: Convert to fraction form
83,536.64/125,319.36 = 44,126.72/x - Step 3: Cross multiply
83,536.64x = 125,319.36 × 44,126.72 - Step 4: Simplify right side
83,536.64x = 5,529,932,309.30 - Step 5: Solve for x
x = 5,529,932,309.30/83,536.64 - Step 6: Final answer
x = 66,197.69
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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.