Finding the Fourth Proportional to 75,298.07, 103,911.36 and 41,764.07
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Solution
The fourth proportional to 75,298.07, 103,911.36 and 41,764.07 is: 57,634.43
Step by Step Solution
- Step 1: Write the proportion equation
75,298.07 : 103,911.36 = 41,764.07 : x - Step 2: Convert to fraction form
75,298.07/103,911.36 = 41,764.07/x - Step 3: Cross multiply
75,298.07x = 103,911.36 × 41,764.07 - Step 4: Simplify right side
75,298.07x = 4,339,760,793.28 - Step 5: Solve for x
x = 4,339,760,793.28/75,298.07 - Step 6: Final answer
x = 57,634.43
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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.