Finding the Fourth Proportional to 91,841.24, 126,740.84 and 51,555.08
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Solution
The fourth proportional to 91,841.24, 126,740.84 and 51,555.08 is: 71,145.97
Step by Step Solution
- Step 1: Write the proportion equation
91,841.24 : 126,740.84 = 51,555.08 : x - Step 2: Convert to fraction form
91,841.24/126,740.84 = 51,555.08/x - Step 3: Cross multiply
91,841.24x = 126,740.84 × 51,555.08 - Step 4: Simplify right side
91,841.24x = 6,534,134,145.47 - Step 5: Solve for x
x = 6,534,134,145.47/91,841.24 - Step 6: Final answer
x = 71,145.97
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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.