Finding the Fourth Proportional to 75,867.24, 113,806.32 and 29,120.12
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Solution
The fourth proportional to 75,867.24, 113,806.32 and 29,120.12 is: 43,682.27
Step by Step Solution
- Step 1: Write the proportion equation
75,867.24 : 113,806.32 = 29,120.12 : x - Step 2: Convert to fraction form
75,867.24/113,806.32 = 29,120.12/x - Step 3: Cross multiply
75,867.24x = 113,806.32 × 29,120.12 - Step 4: Simplify right side
75,867.24x = 3,314,053,126.13 - Step 5: Solve for x
x = 3,314,053,126.13/75,867.24 - Step 6: Final answer
x = 43,682.27
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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.