Finding the Fourth Proportional to 75,296.06, 103,908.60 and 41,762.06
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Solution
The fourth proportional to 75,296.06, 103,908.60 and 41,762.06 is: 57,631.66
Step by Step Solution
- Step 1: Write the proportion equation
75,296.06 : 103,908.60 = 41,762.06 : x - Step 2: Convert to fraction form
75,296.06/103,908.60 = 41,762.06/x - Step 3: Cross multiply
75,296.06x = 103,908.60 × 41,762.06 - Step 4: Simplify right side
75,296.06x = 4,339,437,187.72 - Step 5: Solve for x
x = 4,339,437,187.72/75,296.06 - Step 6: Final answer
x = 57,631.66
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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.