Finding the Fourth Proportional to 107,668.99, 148,572.18 and 62,361.70
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Solution
The fourth proportional to 107,668.99, 148,572.18 and 62,361.70 is: 86,052.76
Step by Step Solution
- Step 1: Write the proportion equation
107,668.99 : 148,572.18 = 62,361.70 : x - Step 2: Convert to fraction form
107,668.99/148,572.18 = 62,361.70/x - Step 3: Cross multiply
107,668.99x = 148,572.18 × 62,361.70 - Step 4: Simplify right side
107,668.99x = 9,265,213,717.51 - Step 5: Solve for x
x = 9,265,213,717.51/107,668.99 - Step 6: Final answer
x = 86,052.76
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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.