Finding the Fourth Proportional to 96,958.19, 133,691.98 and 68,268.68
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Solution
The fourth proportional to 96,958.19, 133,691.98 and 68,268.68 is: 94,133.10
Step by Step Solution
- Step 1: Write the proportion equation
96,958.19 : 133,691.98 = 68,268.68 : x - Step 2: Convert to fraction form
96,958.19/133,691.98 = 68,268.68/x - Step 3: Cross multiply
96,958.19x = 133,691.98 × 68,268.68 - Step 4: Simplify right side
96,958.19x = 9,126,974,162.05 - Step 5: Solve for x
x = 9,126,974,162.05/96,958.19 - Step 6: Final answer
x = 94,133.10
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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.