Finding the Fourth Proportional to 81,540.14, 122,345.58 and 44,126.52
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Solution
The fourth proportional to 81,540.14, 122,345.58 and 44,126.52 is: 66,208.92
Step by Step Solution
- Step 1: Write the proportion equation
81,540.14 : 122,345.58 = 44,126.52 : x - Step 2: Convert to fraction form
81,540.14/122,345.58 = 44,126.52/x - Step 3: Cross multiply
81,540.14x = 122,345.58 × 44,126.52 - Step 4: Simplify right side
81,540.14x = 5,398,684,682.78 - Step 5: Solve for x
x = 5,398,684,682.78/81,540.14 - Step 6: Final answer
x = 66,208.92
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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.