Finding the Fourth Proportional to 103,958.02, 155,913.50 and 47,744.09
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Solution
The fourth proportional to 103,958.02, 155,913.50 and 47,744.09 is: 71,605.33
Step by Step Solution
- Step 1: Write the proportion equation
103,958.02 : 155,913.50 = 47,744.09 : x - Step 2: Convert to fraction form
103,958.02/155,913.50 = 47,744.09/x - Step 3: Cross multiply
103,958.02x = 155,913.50 × 47,744.09 - Step 4: Simplify right side
103,958.02x = 7,443,948,100.68 - Step 5: Solve for x
x = 7,443,948,100.68/103,958.02 - Step 6: Final answer
x = 71,605.33
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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.