Finding the Fourth Proportional to 79,102.02, 118,640.52 and 26,511.96
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Solution
The fourth proportional to 79,102.02, 118,640.52 and 26,511.96 is: 39,763.75
Step by Step Solution
- Step 1: Write the proportion equation
79,102.02 : 118,640.52 = 26,511.96 : x - Step 2: Convert to fraction form
79,102.02/118,640.52 = 26,511.96/x - Step 3: Cross multiply
79,102.02x = 118,640.52 × 26,511.96 - Step 4: Simplify right side
79,102.02x = 3,145,392,720.62 - Step 5: Solve for x
x = 3,145,392,720.62/79,102.02 - Step 6: Final answer
x = 39,763.75
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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.