Finding the Fourth Proportional to 113,841.84, 157,110.36 and 62,864.28
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Solution
The fourth proportional to 113,841.84, 157,110.36 and 62,864.28 is: 86,757.47
Step by Step Solution
- Step 1: Write the proportion equation
113,841.84 : 157,110.36 = 62,864.28 : x - Step 2: Convert to fraction form
113,841.84/157,110.36 = 62,864.28/x - Step 3: Cross multiply
113,841.84x = 157,110.36 × 62,864.28 - Step 4: Simplify right side
113,841.84x = 9,876,629,661.94 - Step 5: Solve for x
x = 9,876,629,661.94/113,841.84 - Step 6: Final answer
x = 86,757.47
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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.