Finding the Fourth Proportional to 79,310.24, 118,976.36 and 26,734.76
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Solution
The fourth proportional to 79,310.24, 118,976.36 and 26,734.76 is: 40,105.85
Step by Step Solution
- Step 1: Write the proportion equation
79,310.24 : 118,976.36 = 26,734.76 : x - Step 2: Convert to fraction form
79,310.24/118,976.36 = 26,734.76/x - Step 3: Cross multiply
79,310.24x = 118,976.36 × 26,734.76 - Step 4: Simplify right side
79,310.24x = 3,180,804,430.27 - Step 5: Solve for x
x = 3,180,804,430.27/79,310.24 - Step 6: Final answer
x = 40,105.85
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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.