Finding the Fourth Proportional to 91,175.52, 125,818.84 and 57,202.28
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Solution
The fourth proportional to 91,175.52, 125,818.84 and 57,202.28 is: 78,937.03
Step by Step Solution
- Step 1: Write the proportion equation
91,175.52 : 125,818.84 = 57,202.28 : x - Step 2: Convert to fraction form
91,175.52/125,818.84 = 57,202.28/x - Step 3: Cross multiply
91,175.52x = 125,818.84 × 57,202.28 - Step 4: Simplify right side
91,175.52x = 7,197,124,514.96 - Step 5: Solve for x
x = 7,197,124,514.96/91,175.52 - Step 6: Final answer
x = 78,937.03
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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.