Finding the Fourth Proportional to 75,859.08, 113,803.30 and 29,108.32
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Solution
The fourth proportional to 75,859.08, 113,803.30 and 29,108.32 is: 43,668.11
Step by Step Solution
- Step 1: Write the proportion equation
75,859.08 : 113,803.30 = 29,108.32 : x - Step 2: Convert to fraction form
75,859.08/113,803.30 = 29,108.32/x - Step 3: Cross multiply
75,859.08x = 113,803.30 × 29,108.32 - Step 4: Simplify right side
75,859.08x = 3,312,622,873.46 - Step 5: Solve for x
x = 3,312,622,873.46/75,859.08 - Step 6: Final answer
x = 43,668.11
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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.