Finding the Fourth Proportional to 75,220.05, 103,850.94 and 48,409.26
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Solution
The fourth proportional to 75,220.05, 103,850.94 and 48,409.26 is: 66,835.20
Step by Step Solution
- Step 1: Write the proportion equation
75,220.05 : 103,850.94 = 48,409.26 : x - Step 2: Convert to fraction form
75,220.05/103,850.94 = 48,409.26/x - Step 3: Cross multiply
75,220.05x = 103,850.94 × 48,409.26 - Step 4: Simplify right side
75,220.05x = 5,027,347,155.70 - Step 5: Solve for x
x = 5,027,347,155.70/75,220.05 - Step 6: Final answer
x = 66,835.20
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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.