Finding the Fourth Proportional to 88,267.26, 121,691.79 and 73,104.06
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Solution
The fourth proportional to 88,267.26, 121,691.79 and 73,104.06 is: 100,786.68
Step by Step Solution
- Step 1: Write the proportion equation
88,267.26 : 121,691.79 = 73,104.06 : x - Step 2: Convert to fraction form
88,267.26/121,691.79 = 73,104.06/x - Step 3: Cross multiply
88,267.26x = 121,691.79 × 73,104.06 - Step 4: Simplify right side
88,267.26x = 8,896,163,917.67 - Step 5: Solve for x
x = 8,896,163,917.67/88,267.26 - Step 6: Final answer
x = 100,786.68
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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.