Finding the Fourth Proportional to 73,714.86, 110,579.47 and 29,331.23
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Solution
The fourth proportional to 73,714.86, 110,579.47 and 29,331.23 is: 43,999.70
Step by Step Solution
- Step 1: Write the proportion equation
73,714.86 : 110,579.47 = 29,331.23 : x - Step 2: Convert to fraction form
73,714.86/110,579.47 = 29,331.23/x - Step 3: Cross multiply
73,714.86x = 110,579.47 × 29,331.23 - Step 4: Simplify right side
73,714.86x = 3,243,431,867.85 - Step 5: Solve for x
x = 3,243,431,867.85/73,714.86 - Step 6: Final answer
x = 43,999.70
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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.