Finding the Fourth Proportional to 95,456.95, 131,744.96 and 68,688.07
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Solution
The fourth proportional to 95,456.95, 131,744.96 and 68,688.07 is: 94,799.88
Step by Step Solution
- Step 1: Write the proportion equation
95,456.95 : 131,744.96 = 68,688.07 : x - Step 2: Convert to fraction form
95,456.95/131,744.96 = 68,688.07/x - Step 3: Cross multiply
95,456.95x = 131,744.96 × 68,688.07 - Step 4: Simplify right side
95,456.95x = 9,049,307,034.63 - Step 5: Solve for x
x = 9,049,307,034.63/95,456.95 - Step 6: Final answer
x = 94,799.88
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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.