Finding the Fourth Proportional to 81,004.08, 111,785.76 and 44,704.68
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Solution
The fourth proportional to 81,004.08, 111,785.76 and 44,704.68 is: 61,692.53
Step by Step Solution
- Step 1: Write the proportion equation
81,004.08 : 111,785.76 = 44,704.68 : x - Step 2: Convert to fraction form
81,004.08/111,785.76 = 44,704.68/x - Step 3: Cross multiply
81,004.08x = 111,785.76 × 44,704.68 - Step 4: Simplify right side
81,004.08x = 4,997,346,629.36 - Step 5: Solve for x
x = 4,997,346,629.36/81,004.08 - Step 6: Final answer
x = 61,692.53
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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.