Finding the Fourth Proportional to 126,684.44, 174,826.74 and 69,328.84
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Solution
The fourth proportional to 126,684.44, 174,826.74 and 69,328.84 is: 95,675.01
Step by Step Solution
- Step 1: Write the proportion equation
126,684.44 : 174,826.74 = 69,328.84 : x - Step 2: Convert to fraction form
126,684.44/174,826.74 = 69,328.84/x - Step 3: Cross multiply
126,684.44x = 174,826.74 × 69,328.84 - Step 4: Simplify right side
126,684.44x = 12,120,535,085.18 - Step 5: Solve for x
x = 12,120,535,085.18/126,684.44 - Step 6: Final answer
x = 95,675.01
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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.