Finding the Fourth Proportional to 97,138.26, 134,060.40 and 56,849.62
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Solution
The fourth proportional to 97,138.26, 134,060.40 and 56,849.62 is: 78,458.09
Step by Step Solution
- Step 1: Write the proportion equation
97,138.26 : 134,060.40 = 56,849.62 : x - Step 2: Convert to fraction form
97,138.26/134,060.40 = 56,849.62/x - Step 3: Cross multiply
97,138.26x = 134,060.40 × 56,849.62 - Step 4: Simplify right side
97,138.26x = 7,621,282,797.05 - Step 5: Solve for x
x = 7,621,282,797.05/97,138.26 - Step 6: Final answer
x = 78,458.09
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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.