Finding the Fourth Proportional to 97,421.75, 134,442.02 and 52,709.75
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Solution
The fourth proportional to 97,421.75, 134,442.02 and 52,709.75 is: 72,739.46
Step by Step Solution
- Step 1: Write the proportion equation
97,421.75 : 134,442.02 = 52,709.75 : x - Step 2: Convert to fraction form
97,421.75/134,442.02 = 52,709.75/x - Step 3: Cross multiply
97,421.75x = 134,442.02 × 52,709.75 - Step 4: Simplify right side
97,421.75x = 7,086,405,000.15 - Step 5: Solve for x
x = 7,086,405,000.15/97,421.75 - Step 6: Final answer
x = 72,739.46
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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.