Finding the Fourth Proportional to 92,660.06, 138,990.29 and 33,495.63
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Solution
The fourth proportional to 92,660.06, 138,990.29 and 33,495.63 is: 50,243.52
Step by Step Solution
- Step 1: Write the proportion equation
92,660.06 : 138,990.29 = 33,495.63 : x - Step 2: Convert to fraction form
92,660.06/138,990.29 = 33,495.63/x - Step 3: Cross multiply
92,660.06x = 138,990.29 × 33,495.63 - Step 4: Simplify right side
92,660.06x = 4,655,567,327.43 - Step 5: Solve for x
x = 4,655,567,327.43/92,660.06 - Step 6: Final answer
x = 50,243.52
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1.5x scale
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.