Finding the Fourth Proportional to 73,276.16, 101,120.64 and 39,742.08
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Solution
The fourth proportional to 73,276.16, 101,120.64 and 39,742.08 is: 54,843.82
Step by Step Solution
- Step 1: Write the proportion equation
73,276.16 : 101,120.64 = 39,742.08 : x - Step 2: Convert to fraction form
73,276.16/101,120.64 = 39,742.08/x - Step 3: Cross multiply
73,276.16x = 101,120.64 × 39,742.08 - Step 4: Simplify right side
73,276.16x = 4,018,744,564.53 - Step 5: Solve for x
x = 4,018,744,564.53/73,276.16 - Step 6: Final answer
x = 54,843.82
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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.