Finding the Fourth Proportional to 71,609.04, 107,302.98 and 27,211.74
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Solution
The fourth proportional to 71,609.04, 107,302.98 and 27,211.74 is: 40,775.59
Step by Step Solution
- Step 1: Write the proportion equation
71,609.04 : 107,302.98 = 27,211.74 : x - Step 2: Convert to fraction form
71,609.04/107,302.98 = 27,211.74/x - Step 3: Cross multiply
71,609.04x = 107,302.98 × 27,211.74 - Step 4: Simplify right side
71,609.04x = 2,919,900,792.99 - Step 5: Solve for x
x = 2,919,900,792.99/71,609.04 - Step 6: Final answer
x = 40,775.59
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1.5x scale
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.