Finding the Fourth Proportional to 73,509.76, 110,301.12 and 29,135.56
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Solution
The fourth proportional to 73,509.76, 110,301.12 and 29,135.56 is: 43,717.80
Step by Step Solution
- Step 1: Write the proportion equation
73,509.76 : 110,301.12 = 29,135.56 : x - Step 2: Convert to fraction form
73,509.76/110,301.12 = 29,135.56/x - Step 3: Cross multiply
73,509.76x = 110,301.12 × 29,135.56 - Step 4: Simplify right side
73,509.76x = 3,213,684,899.83 - Step 5: Solve for x
x = 3,213,684,899.83/73,509.76 - Step 6: Final answer
x = 43,717.80
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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.