Finding the Fourth Proportional to 96,540.18, 133,010.70 and 72,231.66
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Solution
The fourth proportional to 96,540.18, 133,010.70 and 72,231.66 is: 99,519.02
Step by Step Solution
- Step 1: Write the proportion equation
96,540.18 : 133,010.70 = 72,231.66 : x - Step 2: Convert to fraction form
96,540.18/133,010.70 = 72,231.66/x - Step 3: Cross multiply
96,540.18x = 133,010.70 × 72,231.66 - Step 4: Simplify right side
96,540.18x = 9,607,583,658.76 - Step 5: Solve for x
x = 9,607,583,658.76/96,540.18 - Step 6: Final answer
x = 99,519.02
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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.