Finding the Fourth Proportional to 103,723.11, 155,549.99 and 40,526.84
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Solution
The fourth proportional to 103,723.11, 155,549.99 and 40,526.84 is: 60,776.70
Step by Step Solution
- Step 1: Write the proportion equation
103,723.11 : 155,549.99 = 40,526.84 : x - Step 2: Convert to fraction form
103,723.11/155,549.99 = 40,526.84/x - Step 3: Cross multiply
103,723.11x = 155,549.99 × 40,526.84 - Step 4: Simplify right side
103,723.11x = 6,303,948,576.35 - Step 5: Solve for x
x = 6,303,948,576.35/103,723.11 - Step 6: Final answer
x = 60,776.70
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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.