Finding the Fourth Proportional to 71,513.84, 107,288.44 and 50,495.06
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Solution
The fourth proportional to 71,513.84, 107,288.44 and 50,495.06 is: 75,755.07
Step by Step Solution
- Step 1: Write the proportion equation
71,513.84 : 107,288.44 = 50,495.06 : x - Step 2: Convert to fraction form
71,513.84/107,288.44 = 50,495.06/x - Step 3: Cross multiply
71,513.84x = 107,288.44 × 50,495.06 - Step 4: Simplify right side
71,513.84x = 5,417,535,552.43 - Step 5: Solve for x
x = 5,417,535,552.43/71,513.84 - Step 6: Final answer
x = 75,755.07
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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.