Finding the Fourth Proportional to 93,657.06, 129,245.22 and 51,214.68
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Solution
The fourth proportional to 93,657.06, 129,245.22 and 51,214.68 is: 70,675.43
Step by Step Solution
- Step 1: Write the proportion equation
93,657.06 : 129,245.22 = 51,214.68 : x - Step 2: Convert to fraction form
93,657.06/129,245.22 = 51,214.68/x - Step 3: Cross multiply
93,657.06x = 129,245.22 × 51,214.68 - Step 4: Simplify right side
93,657.06x = 6,619,252,583.83 - Step 5: Solve for x
x = 6,619,252,583.83/93,657.06 - Step 6: Final answer
x = 70,675.43
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.