Finding the Fourth Proportional to 79,749.10, 119,639.37 and 22,823.54
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Solution
The fourth proportional to 79,749.10, 119,639.37 and 22,823.54 is: 34,239.80
Step by Step Solution
- Step 1: Write the proportion equation
79,749.10 : 119,639.37 = 22,823.54 : x - Step 2: Convert to fraction form
79,749.10/119,639.37 = 22,823.54/x - Step 3: Cross multiply
79,749.10x = 119,639.37 × 22,823.54 - Step 4: Simplify right side
79,749.10x = 2,730,593,348.57 - Step 5: Solve for x
x = 2,730,593,348.57/79,749.10 - Step 6: Final answer
x = 34,239.80
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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.