Finding the Fourth Proportional to 86,799.24, 119,733.12 and 50,982.66
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Solution
The fourth proportional to 86,799.24, 119,733.12 and 50,982.66 is: 70,326.80
Step by Step Solution
- Step 1: Write the proportion equation
86,799.24 : 119,733.12 = 50,982.66 : x - Step 2: Convert to fraction form
86,799.24/119,733.12 = 50,982.66/x - Step 3: Cross multiply
86,799.24x = 119,733.12 × 50,982.66 - Step 4: Simplify right side
86,799.24x = 6,104,312,947.70 - Step 5: Solve for x
x = 6,104,312,947.70/86,799.24 - Step 6: Final answer
x = 70,326.80
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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.