Finding the Fourth Proportional to 73,611.48, 101,586.30 and 40,078.68
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Solution
The fourth proportional to 73,611.48, 101,586.30 and 40,078.68 is: 55,309.92
Step by Step Solution
- Step 1: Write the proportion equation
73,611.48 : 101,586.30 = 40,078.68 : x - Step 2: Convert to fraction form
73,611.48/101,586.30 = 40,078.68/x - Step 3: Cross multiply
73,611.48x = 101,586.30 × 40,078.68 - Step 4: Simplify right side
73,611.48x = 4,071,444,810.08 - Step 5: Solve for x
x = 4,071,444,810.08/73,611.48 - Step 6: Final answer
x = 55,309.92
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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.