Finding the Fourth Proportional to 97,910.02, 135,115.32 and 53,198.02
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Solution
The fourth proportional to 97,910.02, 135,115.32 and 53,198.02 is: 73,412.99
Step by Step Solution
- Step 1: Write the proportion equation
97,910.02 : 135,115.32 = 53,198.02 : x - Step 2: Convert to fraction form
97,910.02/135,115.32 = 53,198.02/x - Step 3: Cross multiply
97,910.02x = 135,115.32 × 53,198.02 - Step 4: Simplify right side
97,910.02x = 7,187,867,495.67 - Step 5: Solve for x
x = 7,187,867,495.67/97,910.02 - Step 6: Final answer
x = 73,412.99
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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.