Finding the Fourth Proportional to 65,065.63, 89,780.64 and 36,760.99
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Solution
The fourth proportional to 65,065.63, 89,780.64 and 36,760.99 is: 50,724.56
Step by Step Solution
- Step 1: Write the proportion equation
65,065.63 : 89,780.64 = 36,760.99 : x - Step 2: Convert to fraction form
65,065.63/89,780.64 = 36,760.99/x - Step 3: Cross multiply
65,065.63x = 89,780.64 × 36,760.99 - Step 4: Simplify right side
65,065.63x = 3,300,425,209.23 - Step 5: Solve for x
x = 3,300,425,209.23/65,065.63 - Step 6: Final answer
x = 50,724.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.