Finding the Fourth Proportional to 75,469.09, 104,140.56 and 41,477.20
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Solution
The fourth proportional to 75,469.09, 104,140.56 and 41,477.20 is: 57,234.81
Step by Step Solution
- Step 1: Write the proportion equation
75,469.09 : 104,140.56 = 41,477.20 : x - Step 2: Convert to fraction form
75,469.09/104,140.56 = 41,477.20/x - Step 3: Cross multiply
75,469.09x = 104,140.56 × 41,477.20 - Step 4: Simplify right side
75,469.09x = 4,319,458,835.23 - Step 5: Solve for x
x = 4,319,458,835.23/75,469.09 - Step 6: Final answer
x = 57,234.81
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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.