Finding the Fourth Proportional to 92,894.16, 128,193.48 and 50,452.68
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Solution
The fourth proportional to 92,894.16, 128,193.48 and 50,452.68 is: 69,624.45
Step by Step Solution
- Step 1: Write the proportion equation
92,894.16 : 128,193.48 = 50,452.68 : x - Step 2: Convert to fraction form
92,894.16/128,193.48 = 50,452.68/x - Step 3: Cross multiply
92,894.16x = 128,193.48 × 50,452.68 - Step 4: Simplify right side
92,894.16x = 6,467,704,624.53 - Step 5: Solve for x
x = 6,467,704,624.53/92,894.16 - Step 6: Final answer
x = 69,624.45
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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.