Finding the Fourth Proportional to 96,311.25, 132,913.43 and 53,289.99
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Solution
The fourth proportional to 96,311.25, 132,913.43 and 53,289.99 is: 73,542.34
Step by Step Solution
- Step 1: Write the proportion equation
96,311.25 : 132,913.43 = 53,289.99 : x - Step 2: Convert to fraction form
96,311.25/132,913.43 = 53,289.99/x - Step 3: Cross multiply
96,311.25x = 132,913.43 × 53,289.99 - Step 4: Simplify right side
96,311.25x = 7,082,955,089.12 - Step 5: Solve for x
x = 7,082,955,089.12/96,311.25 - Step 6: Final answer
x = 73,542.34
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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.