Finding the Fourth Proportional to 79,171.88, 118,763.58 and 26,580.92
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Solution
The fourth proportional to 79,171.88, 118,763.58 and 26,580.92 is: 39,873.31
Step by Step Solution
- Step 1: Write the proportion equation
79,171.88 : 118,763.58 = 26,580.92 : x - Step 2: Convert to fraction form
79,171.88/118,763.58 = 26,580.92/x - Step 3: Cross multiply
79,171.88x = 118,763.58 × 26,580.92 - Step 4: Simplify right side
79,171.88x = 3,156,845,218.89 - Step 5: Solve for x
x = 3,156,845,218.89/79,171.88 - Step 6: Final answer
x = 39,873.31
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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.