Finding the Fourth Proportional to 96,765.18, 133,542.50 and 72,853.98
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Solution
The fourth proportional to 96,765.18, 133,542.50 and 72,853.98 is: 100,543.43
Step by Step Solution
- Step 1: Write the proportion equation
96,765.18 : 133,542.50 = 72,853.98 : x - Step 2: Convert to fraction form
96,765.18/133,542.50 = 72,853.98/x - Step 3: Cross multiply
96,765.18x = 133,542.50 × 72,853.98 - Step 4: Simplify right side
96,765.18x = 9,729,102,624.15 - Step 5: Solve for x
x = 9,729,102,624.15/96,765.18 - Step 6: Final answer
x = 100,543.43
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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.