Finding the Fourth Proportional to 75,480.32, 113,213.49 and 25,554.71
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Solution
The fourth proportional to 75,480.32, 113,213.49 and 25,554.71 is: 38,329.70
Step by Step Solution
- Step 1: Write the proportion equation
75,480.32 : 113,213.49 = 25,554.71 : x - Step 2: Convert to fraction form
75,480.32/113,213.49 = 25,554.71/x - Step 3: Cross multiply
75,480.32x = 113,213.49 × 25,554.71 - Step 4: Simplify right side
75,480.32x = 2,893,137,905.04 - Step 5: Solve for x
x = 2,893,137,905.04/75,480.32 - Step 6: Final answer
x = 38,329.70
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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.