Finding the Fourth Proportional to 73,569.63, 110,353.86 and 48,720.87
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Solution
The fourth proportional to 73,569.63, 110,353.86 and 48,720.87 is: 73,080.92
Step by Step Solution
- Step 1: Write the proportion equation
73,569.63 : 110,353.86 = 48,720.87 : x - Step 2: Convert to fraction form
73,569.63/110,353.86 = 48,720.87/x - Step 3: Cross multiply
73,569.63x = 110,353.86 × 48,720.87 - Step 4: Simplify right side
73,569.63x = 5,376,536,067.06 - Step 5: Solve for x
x = 5,376,536,067.06/73,569.63 - Step 6: Final answer
x = 73,080.92
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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.