Finding the Fourth Proportional to 75,888.75, 113,838.63 and 29,141.63
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Solution
The fourth proportional to 75,888.75, 113,838.63 and 29,141.63 is: 43,714.56
Step by Step Solution
- Step 1: Write the proportion equation
75,888.75 : 113,838.63 = 29,141.63 : x - Step 2: Convert to fraction form
75,888.75/113,838.63 = 29,141.63/x - Step 3: Cross multiply
75,888.75x = 113,838.63 × 29,141.63 - Step 4: Simplify right side
75,888.75x = 3,317,443,235.17 - Step 5: Solve for x
x = 3,317,443,235.17/75,888.75 - Step 6: Final answer
x = 43,714.56
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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.