Finding the Fourth Proportional to 97,855.92, 135,037.56 and 53,142.96
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Solution
The fourth proportional to 97,855.92, 135,037.56 and 53,142.96 is: 73,335.32
Step by Step Solution
- Step 1: Write the proportion equation
97,855.92 : 135,037.56 = 53,142.96 : x - Step 2: Convert to fraction form
97,855.92/135,037.56 = 53,142.96/x - Step 3: Cross multiply
97,855.92x = 135,037.56 × 53,142.96 - Step 4: Simplify right side
97,855.92x = 7,176,295,649.58 - Step 5: Solve for x
x = 7,176,295,649.58/97,855.92 - Step 6: Final answer
x = 73,335.32
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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.