Finding the Fourth Proportional to 75,754.24, 104,538.72 and 47,475.52
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Solution
The fourth proportional to 75,754.24, 104,538.72 and 47,475.52 is: 65,514.88
Step by Step Solution
- Step 1: Write the proportion equation
75,754.24 : 104,538.72 = 47,475.52 : x - Step 2: Convert to fraction form
75,754.24/104,538.72 = 47,475.52/x - Step 3: Cross multiply
75,754.24x = 104,538.72 × 47,475.52 - Step 4: Simplify right side
75,754.24x = 4,963,030,092.13 - Step 5: Solve for x
x = 4,963,030,092.13/75,754.24 - Step 6: Final answer
x = 65,514.88
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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.