Finding the Fourth Proportional to 79,765.74, 119,618.81 and 26,447.94
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Solution
The fourth proportional to 79,765.74, 119,618.81 and 26,447.94 is: 39,662.03
Step by Step Solution
- Step 1: Write the proportion equation
79,765.74 : 119,618.81 = 26,447.94 : x - Step 2: Convert to fraction form
79,765.74/119,618.81 = 26,447.94/x - Step 3: Cross multiply
79,765.74x = 119,618.81 × 26,447.94 - Step 4: Simplify right side
79,765.74x = 3,163,671,109.75 - Step 5: Solve for x
x = 3,163,671,109.75/79,765.74 - Step 6: Final answer
x = 39,662.03
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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.