Finding the Fourth Proportional to 75,045.40, 112,551.90 and 32,925.40
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Solution
The fourth proportional to 75,045.40, 112,551.90 and 32,925.40 is: 49,380.99
Step by Step Solution
- Step 1: Write the proportion equation
75,045.40 : 112,551.90 = 32,925.40 : x - Step 2: Convert to fraction form
75,045.40/112,551.90 = 32,925.40/x - Step 3: Cross multiply
75,045.40x = 112,551.90 × 32,925.40 - Step 4: Simplify right side
75,045.40x = 3,705,816,328.26 - Step 5: Solve for x
x = 3,705,816,328.26/75,045.40 - Step 6: Final answer
x = 49,380.99
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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.