Finding the Fourth Proportional to 75,699.24, 113,441.74 and 41,980.09
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Solution
The fourth proportional to 75,699.24, 113,441.74 and 41,980.09 is: 62,910.73
Step by Step Solution
- Step 1: Write the proportion equation
75,699.24 : 113,441.74 = 41,980.09 : x - Step 2: Convert to fraction form
75,699.24/113,441.74 = 41,980.09/x - Step 3: Cross multiply
75,699.24x = 113,441.74 × 41,980.09 - Step 4: Simplify right side
75,699.24x = 4,762,293,887.75 - Step 5: Solve for x
x = 4,762,293,887.75/75,699.24 - Step 6: Final answer
x = 62,910.73
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.