Finding the Fourth Proportional to 76,183.84, 114,045.16 and 69,163.84
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Solution
The fourth proportional to 76,183.84, 114,045.16 and 69,163.84 is: 103,536.41
Step by Step Solution
- Step 1: Write the proportion equation
76,183.84 : 114,045.16 = 69,163.84 : x - Step 2: Convert to fraction form
76,183.84/114,045.16 = 69,163.84/x - Step 3: Cross multiply
76,183.84x = 114,045.16 × 69,163.84 - Step 4: Simplify right side
76,183.84x = 7,887,801,199.01 - Step 5: Solve for x
x = 7,887,801,199.01/76,183.84 - Step 6: Final answer
x = 103,536.41
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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.