Finding the Fourth Proportional to 87,859.48, 121,243.84 and 49,097.63
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Solution
The fourth proportional to 87,859.48, 121,243.84 and 49,097.63 is: 67,753.48
Step by Step Solution
- Step 1: Write the proportion equation
87,859.48 : 121,243.84 = 49,097.63 : x - Step 2: Convert to fraction form
87,859.48/121,243.84 = 49,097.63/x - Step 3: Cross multiply
87,859.48x = 121,243.84 × 49,097.63 - Step 4: Simplify right side
87,859.48x = 5,952,785,196.10 - Step 5: Solve for x
x = 5,952,785,196.10/87,859.48 - Step 6: Final answer
x = 67,753.48
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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.