Finding the Fourth Proportional to 79,703.28, 119,567.88 and 27,107.28
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Solution
The fourth proportional to 79,703.28, 119,567.88 and 27,107.28 is: 40,665.33
Step by Step Solution
- Step 1: Write the proportion equation
79,703.28 : 119,567.88 = 27,107.28 : x - Step 2: Convert to fraction form
79,703.28/119,567.88 = 27,107.28/x - Step 3: Cross multiply
79,703.28x = 119,567.88 × 27,107.28 - Step 4: Simplify right side
79,703.28x = 3,241,160,002.17 - Step 5: Solve for x
x = 3,241,160,002.17/79,703.28 - Step 6: Final answer
x = 40,665.33
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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.