Finding the Fourth Proportional to 75,751.62, 113,643.84 and 29,004.50
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Solution
The fourth proportional to 75,751.62, 113,643.84 and 29,004.50 is: 43,513.03
Step by Step Solution
- Step 1: Write the proportion equation
75,751.62 : 113,643.84 = 29,004.50 : x - Step 2: Convert to fraction form
75,751.62/113,643.84 = 29,004.50/x - Step 3: Cross multiply
75,751.62x = 113,643.84 × 29,004.50 - Step 4: Simplify right side
75,751.62x = 3,296,182,757.28 - Step 5: Solve for x
x = 3,296,182,757.28/75,751.62 - Step 6: Final answer
x = 43,513.03
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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.