Finding the Fourth Proportional to 79,135.14, 118,702.68 and 26,544.45
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Solution
The fourth proportional to 79,135.14, 118,702.68 and 26,544.45 is: 39,816.66
Step by Step Solution
- Step 1: Write the proportion equation
79,135.14 : 118,702.68 = 26,544.45 : x - Step 2: Convert to fraction form
79,135.14/118,702.68 = 26,544.45/x - Step 3: Cross multiply
79,135.14x = 118,702.68 × 26,544.45 - Step 4: Simplify right side
79,135.14x = 3,150,897,354.13 - Step 5: Solve for x
x = 3,150,897,354.13/79,135.14 - Step 6: Final answer
x = 39,816.66
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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.