Finding the Fourth Proportional to 94,303.09, 130,135.66 and 51,861.62
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Solution
The fourth proportional to 94,303.09, 130,135.66 and 51,861.62 is: 71,567.60
Step by Step Solution
- Step 1: Write the proportion equation
94,303.09 : 130,135.66 = 51,861.62 : x - Step 2: Convert to fraction form
94,303.09/130,135.66 = 51,861.62/x - Step 3: Cross multiply
94,303.09x = 130,135.66 × 51,861.62 - Step 4: Simplify right side
94,303.09x = 6,749,045,902.76 - Step 5: Solve for x
x = 6,749,045,902.76/94,303.09 - Step 6: Final answer
x = 71,567.60
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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.