Finding the Fourth Proportional to 75,577.49, 113,241.66 and 43,898.63
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Solution
The fourth proportional to 75,577.49, 113,241.66 and 43,898.63 is: 65,775.58
Step by Step Solution
- Step 1: Write the proportion equation
75,577.49 : 113,241.66 = 43,898.63 : x - Step 2: Convert to fraction form
75,577.49/113,241.66 = 43,898.63/x - Step 3: Cross multiply
75,577.49x = 113,241.66 × 43,898.63 - Step 4: Simplify right side
75,577.49x = 4,971,153,166.72 - Step 5: Solve for x
x = 4,971,153,166.72/75,577.49 - Step 6: Final answer
x = 65,775.58
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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.