Finding the Fourth Proportional to 97,036.18, 145,589.87 and 40,890.42
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Solution
The fourth proportional to 97,036.18, 145,589.87 and 40,890.42 is: 61,350.63
Step by Step Solution
- Step 1: Write the proportion equation
97,036.18 : 145,589.87 = 40,890.42 : x - Step 2: Convert to fraction form
97,036.18/145,589.87 = 40,890.42/x - Step 3: Cross multiply
97,036.18x = 145,589.87 × 40,890.42 - Step 4: Simplify right side
97,036.18x = 5,953,230,932.05 - Step 5: Solve for x
x = 5,953,230,932.05/97,036.18 - Step 6: Final answer
x = 61,350.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.