Finding the Fourth Proportional to 79,763.12, 119,635.42 and 20,594.14
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Solution
The fourth proportional to 79,763.12, 119,635.42 and 20,594.14 is: 30,888.82
Step by Step Solution
- Step 1: Write the proportion equation
79,763.12 : 119,635.42 = 20,594.14 : x - Step 2: Convert to fraction form
79,763.12/119,635.42 = 20,594.14/x - Step 3: Cross multiply
79,763.12x = 119,635.42 × 20,594.14 - Step 4: Simplify right side
79,763.12x = 2,463,788,588.44 - Step 5: Solve for x
x = 2,463,788,588.44/79,763.12 - Step 6: Final answer
x = 30,888.82
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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.