Finding the Fourth Proportional to 87,277.68, 130,618.44 and 53,983.44
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Solution
The fourth proportional to 87,277.68, 130,618.44 and 53,983.44 is: 80,790.79
Step by Step Solution
- Step 1: Write the proportion equation
87,277.68 : 130,618.44 = 53,983.44 : x - Step 2: Convert to fraction form
87,277.68/130,618.44 = 53,983.44/x - Step 3: Cross multiply
87,277.68x = 130,618.44 × 53,983.44 - Step 4: Simplify right side
87,277.68x = 7,051,232,718.63 - Step 5: Solve for x
x = 7,051,232,718.63/87,277.68 - Step 6: Final answer
x = 80,790.79
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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.