Finding the Fourth Proportional to 79,717.74, 110,006.33 and 49,502.41
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Solution
The fourth proportional to 79,717.74, 110,006.33 and 49,502.41 is: 68,310.75
Step by Step Solution
- Step 1: Write the proportion equation
79,717.74 : 110,006.33 = 49,502.41 : x - Step 2: Convert to fraction form
79,717.74/110,006.33 = 49,502.41/x - Step 3: Cross multiply
79,717.74x = 110,006.33 × 49,502.41 - Step 4: Simplify right side
79,717.74x = 5,445,578,402.13 - Step 5: Solve for x
x = 5,445,578,402.13/79,717.74 - Step 6: Final answer
x = 68,310.75
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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.