Finding the Fourth Proportional to 75,397.68, 113,108.81 and 25,480.80
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Solution
The fourth proportional to 75,397.68, 113,108.81 and 25,480.80 is: 38,225.35
Step by Step Solution
- Step 1: Write the proportion equation
75,397.68 : 113,108.81 = 25,480.80 : x - Step 2: Convert to fraction form
75,397.68/113,108.81 = 25,480.80/x - Step 3: Cross multiply
75,397.68x = 113,108.81 × 25,480.80 - Step 4: Simplify right side
75,397.68x = 2,882,102,838.44 - Step 5: Solve for x
x = 2,882,102,838.44/75,397.68 - Step 6: Final answer
x = 38,225.35
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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.