Finding the Fourth Proportional to 75,609.76, 113,423.92 and 25,698.08
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Solution
The fourth proportional to 75,609.76, 113,423.92 and 25,698.08 is: 38,550.27
Step by Step Solution
- Step 1: Write the proportion equation
75,609.76 : 113,423.92 = 25,698.08 : x - Step 2: Convert to fraction form
75,609.76/113,423.92 = 25,698.08/x - Step 3: Cross multiply
75,609.76x = 113,423.92 × 25,698.08 - Step 4: Simplify right side
75,609.76x = 2,914,776,970.07 - Step 5: Solve for x
x = 2,914,776,970.07/75,609.76 - Step 6: Final answer
x = 38,550.27
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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.