Finding the Fourth Proportional to 84,054.24, 115,957.44 and 48,235.68
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Solution
The fourth proportional to 84,054.24, 115,957.44 and 48,235.68 is: 66,543.77
Step by Step Solution
- Step 1: Write the proportion equation
84,054.24 : 115,957.44 = 48,235.68 : x - Step 2: Convert to fraction form
84,054.24/115,957.44 = 48,235.68/x - Step 3: Cross multiply
84,054.24x = 115,957.44 × 48,235.68 - Step 4: Simplify right side
84,054.24x = 5,593,285,969.46 - Step 5: Solve for x
x = 5,593,285,969.46/84,054.24 - Step 6: Final answer
x = 66,543.77
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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.