Finding the Fourth Proportional to 81,241.90, 112,112.97 and 44,944.99
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Solution
The fourth proportional to 81,241.90, 112,112.97 and 44,944.99 is: 62,023.61
Step by Step Solution
- Step 1: Write the proportion equation
81,241.90 : 112,112.97 = 44,944.99 : x - Step 2: Convert to fraction form
81,241.90/112,112.97 = 44,944.99/x - Step 3: Cross multiply
81,241.90x = 112,112.97 × 44,944.99 - Step 4: Simplify right side
81,241.90x = 5,038,916,315.52 - Step 5: Solve for x
x = 5,038,916,315.52/81,241.90 - Step 6: Final answer
x = 62,023.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.