Finding the Fourth Proportional to 79,966.99, 119,819.19 and 27,347.77
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Solution
The fourth proportional to 79,966.99, 119,819.19 and 27,347.77 is: 40,976.75
Step by Step Solution
- Step 1: Write the proportion equation
79,966.99 : 119,819.19 = 27,347.77 : x - Step 2: Convert to fraction form
79,966.99/119,819.19 = 27,347.77/x - Step 3: Cross multiply
79,966.99x = 119,819.19 × 27,347.77 - Step 4: Simplify right side
79,966.99x = 3,276,787,050.61 - Step 5: Solve for x
x = 3,276,787,050.61/79,966.99 - Step 6: Final answer
x = 40,976.75
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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.