Finding the Fourth Proportional to 93,734.56, 129,353.70 and 51,293.09
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Solution
The fourth proportional to 93,734.56, 129,353.70 and 51,293.09 is: 70,784.48
Step by Step Solution
- Step 1: Write the proportion equation
93,734.56 : 129,353.70 = 51,293.09 : x - Step 2: Convert to fraction form
93,734.56/129,353.70 = 51,293.09/x - Step 3: Cross multiply
93,734.56x = 129,353.70 × 51,293.09 - Step 4: Simplify right side
93,734.56x = 6,634,951,589.24 - Step 5: Solve for x
x = 6,634,951,589.24/93,734.56 - Step 6: Final answer
x = 70,784.48
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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.