Finding the Fourth Proportional to 75,717.71, 113,451.01 and 46,045.79
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Solution
The fourth proportional to 75,717.71, 113,451.01 and 46,045.79 is: 68,992.33
Step by Step Solution
- Step 1: Write the proportion equation
75,717.71 : 113,451.01 = 46,045.79 : x - Step 2: Convert to fraction form
75,717.71/113,451.01 = 46,045.79/x - Step 3: Cross multiply
75,717.71x = 113,451.01 × 46,045.79 - Step 4: Simplify right side
75,717.71x = 5,223,940,699.38 - Step 5: Solve for x
x = 5,223,940,699.38/75,717.71 - Step 6: Final answer
x = 68,992.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.