Finding the Fourth Proportional to 79,230.76, 118,771.70 and 26,603.33
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Solution
The fourth proportional to 79,230.76, 118,771.70 and 26,603.33 is: 39,879.99
Step by Step Solution
- Step 1: Write the proportion equation
79,230.76 : 118,771.70 = 26,603.33 : x - Step 2: Convert to fraction form
79,230.76/118,771.70 = 26,603.33/x - Step 3: Cross multiply
79,230.76x = 118,771.70 × 26,603.33 - Step 4: Simplify right side
79,230.76x = 3,159,722,002.89 - Step 5: Solve for x
x = 3,159,722,002.89/79,230.76 - Step 6: Final answer
x = 39,879.99
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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.