Finding the Fourth Proportional to 79,325.90, 118,989.26 and 26,735.84
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Solution
The fourth proportional to 79,325.90, 118,989.26 and 26,735.84 is: 40,103.90
Step by Step Solution
- Step 1: Write the proportion equation
79,325.90 : 118,989.26 = 26,735.84 : x - Step 2: Convert to fraction form
79,325.90/118,989.26 = 26,735.84/x - Step 3: Cross multiply
79,325.90x = 118,989.26 × 26,735.84 - Step 4: Simplify right side
79,325.90x = 3,181,277,817.08 - Step 5: Solve for x
x = 3,181,277,817.08/79,325.90 - Step 6: Final answer
x = 40,103.90
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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.