Finding the Fourth Proportional to 75,884.34, 113,832.14 and 29,137.22
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Solution
The fourth proportional to 75,884.34, 113,832.14 and 29,137.22 is: 43,707.99
Step by Step Solution
- Step 1: Write the proportion equation
75,884.34 : 113,832.14 = 29,137.22 : x - Step 2: Convert to fraction form
75,884.34/113,832.14 = 29,137.22/x - Step 3: Cross multiply
75,884.34x = 113,832.14 × 29,137.22 - Step 4: Simplify right side
75,884.34x = 3,316,751,818.27 - Step 5: Solve for x
x = 3,316,751,818.27/75,884.34 - Step 6: Final answer
x = 43,707.99
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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.