Finding the Fourth Proportional to 84,253.77, 116,260.62 and 48,455.31
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Solution
The fourth proportional to 84,253.77, 116,260.62 and 48,455.31 is: 66,862.82
Step by Step Solution
- Step 1: Write the proportion equation
84,253.77 : 116,260.62 = 48,455.31 : x - Step 2: Convert to fraction form
84,253.77/116,260.62 = 48,455.31/x - Step 3: Cross multiply
84,253.77x = 116,260.62 × 48,455.31 - Step 4: Simplify right side
84,253.77x = 5,633,444,637.16 - Step 5: Solve for x
x = 5,633,444,637.16/84,253.77 - Step 6: Final answer
x = 66,862.82
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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.