Finding the Fourth Proportional to 108,409.20, 162,573.35 and 37,311.95
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Solution
The fourth proportional to 108,409.20, 162,573.35 and 37,311.95 is: 55,953.99
Step by Step Solution
- Step 1: Write the proportion equation
108,409.20 : 162,573.35 = 37,311.95 : x - Step 2: Convert to fraction form
108,409.20/162,573.35 = 37,311.95/x - Step 3: Cross multiply
108,409.20x = 162,573.35 × 37,311.95 - Step 4: Simplify right side
108,409.20x = 6,065,927,707.11 - Step 5: Solve for x
x = 6,065,927,707.11/108,409.20 - Step 6: Final answer
x = 55,953.99
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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.