Finding the Fourth Proportional to 83,638.36, 125,468.61 and 44,197.03
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Solution
The fourth proportional to 83,638.36, 125,468.61 and 44,197.03 is: 66,301.39
Step by Step Solution
- Step 1: Write the proportion equation
83,638.36 : 125,468.61 = 44,197.03 : x - Step 2: Convert to fraction form
83,638.36/125,468.61 = 44,197.03/x - Step 3: Cross multiply
83,638.36x = 125,468.61 × 44,197.03 - Step 4: Simplify right side
83,638.36x = 5,545,339,920.23 - Step 5: Solve for x
x = 5,545,339,920.23/83,638.36 - Step 6: Final answer
x = 66,301.39
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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.