Finding the Fourth Proportional to 79,679.30, 119,491.09 and 23,504.49
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Solution
The fourth proportional to 79,679.30, 119,491.09 and 23,504.49 is: 35,248.52
Step by Step Solution
- Step 1: Write the proportion equation
79,679.30 : 119,491.09 = 23,504.49 : x - Step 2: Convert to fraction form
79,679.30/119,491.09 = 23,504.49/x - Step 3: Cross multiply
79,679.30x = 119,491.09 × 23,504.49 - Step 4: Simplify right side
79,679.30x = 2,808,577,071.23 - Step 5: Solve for x
x = 2,808,577,071.23/79,679.30 - Step 6: Final answer
x = 35,248.52
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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.