Finding the Fourth Proportional to 79,708.84, 119,561.98 and 27,154.92
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Solution
The fourth proportional to 79,708.84, 119,561.98 and 27,154.92 is: 40,731.94
Step by Step Solution
- Step 1: Write the proportion equation
79,708.84 : 119,561.98 = 27,154.92 : x - Step 2: Convert to fraction form
79,708.84/119,561.98 = 27,154.92/x - Step 3: Cross multiply
79,708.84x = 119,561.98 × 27,154.92 - Step 4: Simplify right side
79,708.84x = 3,246,696,001.94 - Step 5: Solve for x
x = 3,246,696,001.94/79,708.84 - Step 6: Final answer
x = 40,731.94
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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.