Finding the Fourth Proportional to 73,490.44, 101,416.26 and 39,956.44
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Solution
The fourth proportional to 73,490.44, 101,416.26 and 39,956.44 is: 55,139.59
Step by Step Solution
- Step 1: Write the proportion equation
73,490.44 : 101,416.26 = 39,956.44 : x - Step 2: Convert to fraction form
73,490.44/101,416.26 = 39,956.44/x - Step 3: Cross multiply
73,490.44x = 101,416.26 × 39,956.44 - Step 4: Simplify right side
73,490.44x = 4,052,232,707.71 - Step 5: Solve for x
x = 4,052,232,707.71/73,490.44 - Step 6: Final answer
x = 55,139.59
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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.