Finding the Fourth Proportional to 84,534.06, 116,657.64 and 48,723.96
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Solution
The fourth proportional to 84,534.06, 116,657.64 and 48,723.96 is: 67,239.43
Step by Step Solution
- Step 1: Write the proportion equation
84,534.06 : 116,657.64 = 48,723.96 : x - Step 2: Convert to fraction form
84,534.06/116,657.64 = 48,723.96/x - Step 3: Cross multiply
84,534.06x = 116,657.64 × 48,723.96 - Step 4: Simplify right side
84,534.06x = 5,684,022,185.05 - Step 5: Solve for x
x = 5,684,022,185.05/84,534.06 - Step 6: Final answer
x = 67,239.43
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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.