Finding the Fourth Proportional to 97,191.05, 134,077.79 and 56,879.84
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Solution
The fourth proportional to 97,191.05, 134,077.79 and 56,879.84 is: 78,467.34
Step by Step Solution
- Step 1: Write the proportion equation
97,191.05 : 134,077.79 = 56,879.84 : x - Step 2: Convert to fraction form
97,191.05/134,077.79 = 56,879.84/x - Step 3: Cross multiply
97,191.05x = 134,077.79 × 56,879.84 - Step 4: Simplify right side
97,191.05x = 7,626,322,287.97 - Step 5: Solve for x
x = 7,626,322,287.97/97,191.05 - Step 6: Final answer
x = 78,467.34
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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.