Finding the Fourth Proportional to 124,716.06, 187,072.74 and 35,966.70
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Solution
The fourth proportional to 124,716.06, 187,072.74 and 35,966.70 is: 53,949.66
Step by Step Solution
- Step 1: Write the proportion equation
124,716.06 : 187,072.74 = 35,966.70 : x - Step 2: Convert to fraction form
124,716.06/187,072.74 = 35,966.70/x - Step 3: Cross multiply
124,716.06x = 187,072.74 × 35,966.70 - Step 4: Simplify right side
124,716.06x = 6,728,389,117.76 - Step 5: Solve for x
x = 6,728,389,117.76/124,716.06 - Step 6: Final answer
x = 53,949.66
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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.