Finding the Fourth Proportional to 73,555.68, 101,507.28 and 40,021.92
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Solution
The fourth proportional to 73,555.68, 101,507.28 and 40,021.92 is: 55,230.49
Step by Step Solution
- Step 1: Write the proportion equation
73,555.68 : 101,507.28 = 40,021.92 : x - Step 2: Convert to fraction form
73,555.68/101,507.28 = 40,021.92/x - Step 3: Cross multiply
73,555.68x = 101,507.28 × 40,021.92 - Step 4: Simplify right side
73,555.68x = 4,062,516,239.58 - Step 5: Solve for x
x = 4,062,516,239.58/73,555.68 - Step 6: Final answer
x = 55,230.49
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1.5x scale
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.