Finding the Fourth Proportional to 79,752.04, 119,668.96 and 54,812.14
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Solution
The fourth proportional to 79,752.04, 119,668.96 and 54,812.14 is: 82,246.32
Step by Step Solution
- Step 1: Write the proportion equation
79,752.04 : 119,668.96 = 54,812.14 : x - Step 2: Convert to fraction form
79,752.04/119,668.96 = 54,812.14/x - Step 3: Cross multiply
79,752.04x = 119,668.96 × 54,812.14 - Step 4: Simplify right side
79,752.04x = 6,559,311,789.17 - Step 5: Solve for x
x = 6,559,311,789.17/79,752.04 - Step 6: Final answer
x = 82,246.32
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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.