Finding the Fourth Proportional to 69,701.36, 104,514.98 and 27,579.74
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Solution
The fourth proportional to 69,701.36, 104,514.98 and 27,579.74 is: 41,354.94
Step by Step Solution
- Step 1: Write the proportion equation
69,701.36 : 104,514.98 = 27,579.74 : x - Step 2: Convert to fraction form
69,701.36/104,514.98 = 27,579.74/x - Step 3: Cross multiply
69,701.36x = 104,514.98 × 27,579.74 - Step 4: Simplify right side
69,701.36x = 2,882,495,314.03 - Step 5: Solve for x
x = 2,882,495,314.03/69,701.36 - Step 6: Final answer
x = 41,354.94
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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.