Finding the Fourth Proportional to 84,217.68, 126,365.99 and 36,826.70
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Solution
The fourth proportional to 84,217.68, 126,365.99 and 36,826.70 is: 55,257.30
Step by Step Solution
- Step 1: Write the proportion equation
84,217.68 : 126,365.99 = 36,826.70 : x - Step 2: Convert to fraction form
84,217.68/126,365.99 = 36,826.70/x - Step 3: Cross multiply
84,217.68x = 126,365.99 × 36,826.70 - Step 4: Simplify right side
84,217.68x = 4,653,641,587.97 - Step 5: Solve for x
x = 4,653,641,587.97/84,217.68 - Step 6: Final answer
x = 55,257.30
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.