Finding the Fourth Proportional to 97,563.44, 134,630.16 and 55,125.92
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Solution
The fourth proportional to 97,563.44, 134,630.16 and 55,125.92 is: 76,069.60
Step by Step Solution
- Step 1: Write the proportion equation
97,563.44 : 134,630.16 = 55,125.92 : x - Step 2: Convert to fraction form
97,563.44/134,630.16 = 55,125.92/x - Step 3: Cross multiply
97,563.44x = 134,630.16 × 55,125.92 - Step 4: Simplify right side
97,563.44x = 7,421,611,429.75 - Step 5: Solve for x
x = 7,421,611,429.75/97,563.44 - Step 6: Final answer
x = 76,069.60
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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.