Finding the Fourth Proportional to 75,445.69, 113,140.27 and 22,126.63
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Solution
The fourth proportional to 75,445.69, 113,140.27 and 22,126.63 is: 33,181.66
Step by Step Solution
- Step 1: Write the proportion equation
75,445.69 : 113,140.27 = 22,126.63 : x - Step 2: Convert to fraction form
75,445.69/113,140.27 = 22,126.63/x - Step 3: Cross multiply
75,445.69x = 113,140.27 × 22,126.63 - Step 4: Simplify right side
75,445.69x = 2,503,412,892.39 - Step 5: Solve for x
x = 2,503,412,892.39/75,445.69 - Step 6: Final answer
x = 33,181.66
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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.