Finding the Fourth Proportional to 92,449.96, 138,695.84 and 29,273.92
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Solution
The fourth proportional to 92,449.96, 138,695.84 and 29,273.92 is: 43,917.50
Step by Step Solution
- Step 1: Write the proportion equation
92,449.96 : 138,695.84 = 29,273.92 : x - Step 2: Convert to fraction form
92,449.96/138,695.84 = 29,273.92/x - Step 3: Cross multiply
92,449.96x = 138,695.84 × 29,273.92 - Step 4: Simplify right side
92,449.96x = 4,060,170,924.49 - Step 5: Solve for x
x = 4,060,170,924.49/92,449.96 - Step 6: Final answer
x = 43,917.50
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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.