Finding the Fourth Proportional to 97,118.82, 134,034.21 and 56,845.62
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Solution
The fourth proportional to 97,118.82, 134,034.21 and 56,845.62 is: 78,452.95
Step by Step Solution
- Step 1: Write the proportion equation
97,118.82 : 134,034.21 = 56,845.62 : x - Step 2: Convert to fraction form
97,118.82/134,034.21 = 56,845.62/x - Step 3: Cross multiply
97,118.82x = 134,034.21 × 56,845.62 - Step 4: Simplify right side
97,118.82x = 7,619,257,768.66 - Step 5: Solve for x
x = 7,619,257,768.66/97,118.82 - Step 6: Final answer
x = 78,452.95
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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.