Finding the Fourth Proportional to 67,733.88, 101,374.14 and 66,837.75
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Solution
The fourth proportional to 67,733.88, 101,374.14 and 66,837.75 is: 100,032.94
Step by Step Solution
- Step 1: Write the proportion equation
67,733.88 : 101,374.14 = 66,837.75 : x - Step 2: Convert to fraction form
67,733.88/101,374.14 = 66,837.75/x - Step 3: Cross multiply
67,733.88x = 101,374.14 × 66,837.75 - Step 4: Simplify right side
67,733.88x = 6,775,619,425.79 - Step 5: Solve for x
x = 6,775,619,425.79/67,733.88 - Step 6: Final answer
x = 100,032.94
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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.