Finding the Fourth Proportional to 97,651.80, 134,754.30 and 55,207.80
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Solution
The fourth proportional to 97,651.80, 134,754.30 and 55,207.80 is: 76,183.83
Step by Step Solution
- Step 1: Write the proportion equation
97,651.80 : 134,754.30 = 55,207.80 : x - Step 2: Convert to fraction form
97,651.80/134,754.30 = 55,207.80/x - Step 3: Cross multiply
97,651.80x = 134,754.30 × 55,207.80 - Step 4: Simplify right side
97,651.80x = 7,439,488,443.54 - Step 5: Solve for x
x = 7,439,488,443.54/97,651.80 - Step 6: Final answer
x = 76,183.83
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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.