Finding the Fourth Proportional to 91,935.05, 126,867.42 and 51,098.98
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Solution
The fourth proportional to 91,935.05, 126,867.42 and 51,098.98 is: 70,514.95
Step by Step Solution
- Step 1: Write the proportion equation
91,935.05 : 126,867.42 = 51,098.98 : x - Step 2: Convert to fraction form
91,935.05/126,867.42 = 51,098.98/x - Step 3: Cross multiply
91,935.05x = 126,867.42 × 51,098.98 - Step 4: Simplify right side
91,935.05x = 6,482,795,757.23 - Step 5: Solve for x
x = 6,482,795,757.23/91,935.05 - Step 6: Final answer
x = 70,514.95
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1.5x scale
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.