Finding the Fourth Proportional to 91,059.99, 136,332.41 and 48,267.92
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Solution
The fourth proportional to 91,059.99, 136,332.41 and 48,267.92 is: 72,265.35
Step by Step Solution
- Step 1: Write the proportion equation
91,059.99 : 136,332.41 = 48,267.92 : x - Step 2: Convert to fraction form
91,059.99/136,332.41 = 48,267.92/x - Step 3: Cross multiply
91,059.99x = 136,332.41 × 48,267.92 - Step 4: Simplify right side
91,059.99x = 6,580,481,859.29 - Step 5: Solve for x
x = 6,580,481,859.29/91,059.99 - Step 6: Final answer
x = 72,265.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.