Finding the Fourth Proportional to 96,958.06, 133,691.81 and 68,268.55
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Solution
The fourth proportional to 96,958.06, 133,691.81 and 68,268.55 is: 94,132.92
Step by Step Solution
- Step 1: Write the proportion equation
96,958.06 : 133,691.81 = 68,268.55 : x - Step 2: Convert to fraction form
96,958.06/133,691.81 = 68,268.55/x - Step 3: Cross multiply
96,958.06x = 133,691.81 × 68,268.55 - Step 4: Simplify right side
96,958.06x = 9,126,945,674.23 - Step 5: Solve for x
x = 9,126,945,674.23/96,958.06 - Step 6: Final answer
x = 94,132.92
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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.