Finding the Fourth Proportional to 75,975.96, 113,962.68 and 29,238.96
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Solution
The fourth proportional to 75,975.96, 113,962.68 and 29,238.96 is: 43,857.96
Step by Step Solution
- Step 1: Write the proportion equation
75,975.96 : 113,962.68 = 29,238.96 : x - Step 2: Convert to fraction form
75,975.96/113,962.68 = 29,238.96/x - Step 3: Cross multiply
75,975.96x = 113,962.68 × 29,238.96 - Step 4: Simplify right side
75,975.96x = 3,332,150,242.01 - Step 5: Solve for x
x = 3,332,150,242.01/75,975.96 - Step 6: Final answer
x = 43,857.96
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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.