Finding the Fourth Proportional to 101,525.45, 140,102.92 and 55,584.99
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Solution
The fourth proportional to 101,525.45, 140,102.92 and 55,584.99 is: 76,706.08
Step by Step Solution
- Step 1: Write the proportion equation
101,525.45 : 140,102.92 = 55,584.99 : x - Step 2: Convert to fraction form
101,525.45/140,102.92 = 55,584.99/x - Step 3: Cross multiply
101,525.45x = 140,102.92 × 55,584.99 - Step 4: Simplify right side
101,525.45x = 7,787,619,268.21 - Step 5: Solve for x
x = 7,787,619,268.21/101,525.45 - Step 6: Final answer
x = 76,706.08
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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.