Finding the Fourth Proportional to 69,080.99, 103,590.50 and 31,653.32
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Solution
The fourth proportional to 69,080.99, 103,590.50 and 31,653.32 is: 47,465.78
Step by Step Solution
- Step 1: Write the proportion equation
69,080.99 : 103,590.50 = 31,653.32 : x - Step 2: Convert to fraction form
69,080.99/103,590.50 = 31,653.32/x - Step 3: Cross multiply
69,080.99x = 103,590.50 × 31,653.32 - Step 4: Simplify right side
69,080.99x = 3,278,982,569.24 - Step 5: Solve for x
x = 3,278,982,569.24/69,080.99 - Step 6: Final answer
x = 47,465.78
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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.