Finding the Fourth Proportional to 75,708.30, 113,562.87 and 25,793.67
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Solution
The fourth proportional to 75,708.30, 113,562.87 and 25,793.67 is: 38,690.65
Step by Step Solution
- Step 1: Write the proportion equation
75,708.30 : 113,562.87 = 25,793.67 : x - Step 2: Convert to fraction form
75,708.30/113,562.87 = 25,793.67/x - Step 3: Cross multiply
75,708.30x = 113,562.87 × 25,793.67 - Step 4: Simplify right side
75,708.30x = 2,929,203,193.03 - Step 5: Solve for x
x = 2,929,203,193.03/75,708.30 - Step 6: Final answer
x = 38,690.65
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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.