Finding the Fourth Proportional to 75,229.02, 112,781.94 and 37,743.84
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Solution
The fourth proportional to 75,229.02, 112,781.94 and 37,743.84 is: 56,584.86
Step by Step Solution
- Step 1: Write the proportion equation
75,229.02 : 112,781.94 = 37,743.84 : x - Step 2: Convert to fraction form
75,229.02/112,781.94 = 37,743.84/x - Step 3: Cross multiply
75,229.02x = 112,781.94 × 37,743.84 - Step 4: Simplify right side
75,229.02x = 4,256,823,498.25 - Step 5: Solve for x
x = 4,256,823,498.25/75,229.02 - Step 6: Final answer
x = 56,584.86
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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.