Finding the Fourth Proportional to 75,748.97, 113,588.53 and 22,421.86
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Solution
The fourth proportional to 75,748.97, 113,588.53 and 22,421.86 is: 33,622.45
Step by Step Solution
- Step 1: Write the proportion equation
75,748.97 : 113,588.53 = 22,421.86 : x - Step 2: Convert to fraction form
75,748.97/113,588.53 = 22,421.86/x - Step 3: Cross multiply
75,748.97x = 113,588.53 × 22,421.86 - Step 4: Simplify right side
75,748.97x = 2,546,866,416.18 - Step 5: Solve for x
x = 2,546,866,416.18/75,748.97 - Step 6: Final answer
x = 33,622.45
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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.