Finding the Fourth Proportional to 79,908.77, 119,876.16 and 29,992.79
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Solution
The fourth proportional to 79,908.77, 119,876.16 and 29,992.79 is: 44,994.07
Step by Step Solution
- Step 1: Write the proportion equation
79,908.77 : 119,876.16 = 29,992.79 : x - Step 2: Convert to fraction form
79,908.77/119,876.16 = 29,992.79/x - Step 3: Cross multiply
79,908.77x = 119,876.16 × 29,992.79 - Step 4: Simplify right side
79,908.77x = 3,595,420,492.89 - Step 5: Solve for x
x = 3,595,420,492.89/79,908.77 - Step 6: Final answer
x = 44,994.07
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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.