Finding the Fourth Proportional to 79,176.11, 118,775.10 and 26,600.63
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Solution
The fourth proportional to 79,176.11, 118,775.10 and 26,600.63 is: 39,904.62
Step by Step Solution
- Step 1: Write the proportion equation
79,176.11 : 118,775.10 = 26,600.63 : x - Step 2: Convert to fraction form
79,176.11/118,775.10 = 26,600.63/x - Step 3: Cross multiply
79,176.11x = 118,775.10 × 26,600.63 - Step 4: Simplify right side
79,176.11x = 3,159,492,488.31 - Step 5: Solve for x
x = 3,159,492,488.31/79,176.11 - Step 6: Final answer
x = 39,904.62
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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.