Finding the Fourth Proportional to 75,354.24, 113,043.84 and 25,439.04
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Solution
The fourth proportional to 75,354.24, 113,043.84 and 25,439.04 is: 38,162.77
Step by Step Solution
- Step 1: Write the proportion equation
75,354.24 : 113,043.84 = 25,439.04 : x - Step 2: Convert to fraction form
75,354.24/113,043.84 = 25,439.04/x - Step 3: Cross multiply
75,354.24x = 113,043.84 × 25,439.04 - Step 4: Simplify right side
75,354.24x = 2,875,726,767.51 - Step 5: Solve for x
x = 2,875,726,767.51/75,354.24 - Step 6: Final answer
x = 38,162.77
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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.