Finding the Fourth Proportional to 96,409.44, 133,037.64 and 53,962.20
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Solution
The fourth proportional to 96,409.44, 133,037.64 and 53,962.20 is: 74,463.70
Step by Step Solution
- Step 1: Write the proportion equation
96,409.44 : 133,037.64 = 53,962.20 : x - Step 2: Convert to fraction form
96,409.44/133,037.64 = 53,962.20/x - Step 3: Cross multiply
96,409.44x = 133,037.64 × 53,962.20 - Step 4: Simplify right side
96,409.44x = 7,179,003,737.21 - Step 5: Solve for x
x = 7,179,003,737.21/96,409.44 - Step 6: Final answer
x = 74,463.70
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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.